Washington D.C., May 30 : Two people including a suspect were killed, after at least one gunman armed with a high-powered rifle opened fire at bystanders, police patrol vehicles and a helicopter in Houston.
New York, May 30 : Imagine a device that is selectively transparent to various wavelengths of light at one moment and opaque to them the next, following a tiny adjustment.
Washington, May 30 : US Democratic presidential candidate Bernie Sanders said on Sunday that American voters and superdelegates should take a hard look at the recent report criticising his rival Hillary Clinton for her controversial emailing practice while taking the helm at the US State Department.
Washington, May 30 : US Democratic Party front-runner Hillary Clinton could have President Barack Obama, who remains popular at end of his eight-year presidency, as a secret weapon in her presidential run, a report said on Sunday.
Washington, May 30 : A string of shootings brought the total number of people shot during the Memorial Day weekend to at least 40, the Chicago Police Department said on Sunday.
New York, May 29 : The success of a global renewable energy project on Ecuador's Galapagos archipelago has given a major boost to the idea of sustainable development, according to a report.
Washington D.C., May 29 : Republican nominee Donald Trump questioned that why President Barack Obama did not mention the Japanese attack on Pearl Harbor during his trip this week to Japan.
Washington, May 29 : Acknowledging Pakistan's application to join the Nuclear Suppliers Group (NSG), the United States has said the request will be decided by consensus.
Washington, May 29 : Donald Trump, the presumptive Republican presidential nominee, on Saturday criticised US President Barack Obama for visiting Hiroshima while neglecting to mention the 1941 Japanese attack on Pearl Harbour.
Washington, May 29 : Mirror, Mirror on the wall, who is the most presidential of them all? That's the question American voters are asking as they size up the three survivors in the White House race.
Washington, May 28 : The U.S. military has said that its coalition strikes have killed 70 Islamic State militants including the group's commander during the bid to recapture the city of Falluja.
Lahore, May 28 : United States First Lady Michelle Obama visited the Pakistan Embassy in Washington for the first time today.
Washington, May 28 : U.S Senator Bob Corker, the chairman of the Senate Foreign Relations Committee, has said that Pakistan's support can help destabilise the Taliban far more rapidly than U.S. military operations alone could.
New York, May 28 : People have always wondered why many birds lay bright blue eggs. Researchers have now shown that the colour could protect the embryo from harmful sunlight, including dangerous ultraviolet (UV) radiation.
Washington, May 28 : Two Indian-origin students won the the 2016 Scripps National Spelling Bee, third straight year of double winners.
Washington, May 28 : After NASA's first attempt at deploying an inflatable habitat on the International Space Station - crucial for future deep space exploration - failed, the US space agency will make another attempt on Saturday.
Washington, May 28 : With the Nuclear Suppliers Group (NSG) set to have a meeting in June, the US said that it hopes Pakistan understands India's use of peaceful civil nuclear energy.
Washington, May 28 : Republican Party's likely presidential nominee Donald Trump has backed out of participating in a debate with Democrat hopeful Bernie Sanders.
Washington, May 28 : A planet which is about 1,200 light-years from Earth and in all probabilities has surface liquid water is a good prospect for a habitable world, reports researchers from University of California.
Washington, May 28 : Clashes erupted in US' San Diego city on Friday night hours after Republican Party's likely presidential nominee Donald Trump held a rally.
New York, May 28 : A vintage Second World War plane flying in the New York City area crashed in the Hudson river, officials said.
New York, May 27 : In order to help you identify between habitual and goal-directed action, your brain's circuits compete for control and make a fine balance between the two actions, an international team of researchers has identified.
New York, May 27 : Many first-time parents are not much satisfied with their sex lives after the birth of their child and the major factor that reduces the sexual pleasure is mothers' stress as a new parent, reveals a study.
Washington, May 27 : Indian companies, according to Consolidated Appropriations Act, 2016, will have to pay additional fees of $4,000 for certain H-1B and $4,500 for L-1 petitioners, details published on Friday by USCIS said.
Washington D.C., May27 : As a part of a thank you note to U.K. royal photographer Paul Ratcliffe for wishing on their fifth wedding anniversary, Kate Middleton and Prince William sent a "perfect" portrait to him.
New York, May 27 : Donald Trump has reached the required numbers of delegates to clinch the GOP presidential nomination.
Washington D.C., May 27 : The United States has called on the Pakistan government to cooperate with the Indian authorities to fully investigate the deadly 26/11 terror attacks in Mumbai.
Washington, May 27 : Using radar data from NASA's Mars Reconnaissance Orbiter (MRO), scientists have found a record of the most recent Martian ice age recorded in the planet's north polar ice cap.
Washington, May 27 : Real-estate mogul Donald Trump has exceeded the minimum number of delegates needed to secure the Republican nomination, media reports said on Thursday.
Washington, May 27 : It was supposed to be a welcome mat, a warm-up exercise for the triumphant return of the only man on the planet once barred entry to the US by a law to address the very chamber that had passed it.
New York, May 27 : NASA has released a video to highlight its 'Twins Study' that investigates metabolic changes in retired US astronaut Scott Kelly and his twin brother Mark.
New York, May 27 : A new method developed by two Indian-origin engineers can provide important insights into how exactly a machine-learning algorithm comes to a decision to either accept or reject your loan application - something that usually remains a mystery.
New York, May 27 : If you are facing the situation at home where your little one -- engaged in playing video games on smartphone or watching favourite cartoons on TV -- ignores your call to pick up a glass of water or switch off that AC, you are not alone.
New York, May 27 : The discovery of a giant planet orbiting a very young star some 450 million light years from the Earth has forced astronomers to rethink their long-held view that larger planets take longer to form.
Washington, May 27 : Democrat presidential hopeful Bernie Sanders has picked up another super delegate, West Virginia Democratic National Committeewoman Elaine Harris.
Washington, May 26 : Democrat front-runner Hillary Clinton and rival Bernie Sanders are virtually deadlocked in California, the biggest prize of the 2016 Democratic presidential primary season, according to a new poll.
Washington, May 26 : The Republican Party's presumptive presidential nominee Donald Trump and Democrat hopeful Bernie Sanders have "seemingly" agreed to hold a much-awaited debate.
New York, May 26 : Vampires are real -- at least the amoebae variety -- and they have been around for millions of years, say researchers who found evidence of predation in ancient microbial ecosystems dating back more than 740 million years.
New York, May 26 : A team of researchers has listed some web apps that help people work collaboratively and complete shared tasks online, often over long distances.
New York, May 26 : US stocks opened higher on Thursday as investors eyed a batch of newly-released economic data and oil prices.
Washington, May 26 : The Obamas will be shifting to an 8,200-square-foot nine-bedroom luxurious mansion in the upscale Kalorama neighbourhood of Washington after the family leaves the White House in January.
Washington, May 26 : Texas and 10 other states will sue the Obama administration over a directive that forces states to adjust their policy to allow transgender students to use bathrooms that match their gender identity.
Washington, May 26 : The US has lifted all nuclear-related sanctions as promised in the nuclear deal with Iran, but has not changed the primary US embargo on Tehran, said an official of the US Treasury Department on Wednesday.
New York, May 26 : People are less likely to return to an automated advisor like a robot or a smartphone-based assistant if given bad advice over a human advisor under the same circumstances, researchers have found.
New York, May 26 : A woman died while three men were wounded after a gunfire at a concert by Atlanta-based hip-hop artist T.I, whose real name is Clifford Joseph Harris Jr, here.
Tokyo, May 26 : US President Barack Obama extended "sincerest condolences and deepest regrets" over the murder of a Japanese woman by a US military-affiliated civilian, here at a meeting with his Japanese counterpart Shinzo Abe on Wednesday.
Washington, May 26 : The US State Department's inspector general has sharply criticised Hillary Clinton's exclusive use of a private email server while she was secretary of state, saying she had not sought permission to use it and would not have received it if she had.
Washington, May 26 : Ed Markey, a key US Senator, has said that enabling India to join the Nuclear Suppliers Group (NSG) would cause a 'never-ending' nuclear race in South Asia.
Washington, May 26 : The U S State Department has said that Washington has been "very clear-eyed" in its interactions with Pakistan on the activities of militant groups based inside the country.
New York, May 26 : Learning about English ivy plant's natural glue can lead to better medical adhesives and stronger armor for the military, researchers report.
Washington, May 26 : Republican Party's presumptive presidential nominee Donald Trump on Tuesday night won the Washington state primary.
Washington, May 26 : Protesters lit fires, smashed a door and threw rocks outside a Donald Trump rally on Tuesday night in the state of New Mexico -- the latest scuffle to follow the presumptive Republican nominee's campaign.
Washington, May 26 : The US government is seeking the death penalty in the case of the Charleston church shooting which killed nine people last year.
Washington, May 26 : Donald Trump will move closer to clinching the Republican presidential nomination on Tuesday with an expected win in the crucial Washington primary election, CNN reported.
Washington, May 26 : Democratic presidential hopeful Bernie Sanders has requested a recount of the votes for the Kentucky state primary held last week in which the winner was party front-runner Hillary Clinton.
New York, May 26 : Days after the news that Apple sold fewer iPhones for the first time ever in the first quarter this year, a new report says that smartphones in the US posted half the growth in 2015 when compared to the previous year.
Washington, May 26 : Democratic presidential candidate Hillary Clinton has declined an invitation to debate rival Bernie Sanders ahead of the California primary.
New York, May 26 : Funded by Facebook founder Mark Zuckerberg and his wife Priscilla Chan, the construction of a school for low-income students has been stalled in California owing to a major water shortage, a media report has said.
New York, May 26 : The US may soon become the first nation to approve the commercial use of a common bacterium to fight the spread of diseases such as the Zika virus. The strategy would involve infecting mosquitoes with the bacteria and releasing the males into the environment.
Houston, May 26 : Testing for the mosquito-borne Zika virus began on Monday at the Gulf Coast Regional Blood Center headquartered in Houston, the fourth-largest city in the US.