WASHINGTON In what may be one of the most significant discoveries ever in archeology in the Americas, researchers on Wednesday said stone tools and broken mastodon bones unearthed in California show humans had reached the Americas by about 130,000 years ago, far earlier than previously known.
WELLINGTON A stadium-sized pressure balloon launched by NASA in New Zealand began collecting data in near space on Wednesday, beginning a 100-day planned journey after several launch attempts were thwarted by storms and cyclones. | Video
LONDON, Scientists in the United States have developed a fluid-filled womb-like bag known as an extra-uterine support device that could transform care for extremely premature babies, significantly improving chances of survival.
U.S. astronaut Peggy Whitson broke the 534-day U.S. record for cumulative time in space on Monday and marked the occasion by speaking with President Donald Trump about plans for human trips to Mars. | Video
CAPE CANAVERAL, Fla. NASA's Cassini spacecraft soared past Saturn's biggest moon for the last time on Saturday, tapping its gravity to slingshot into a series of exploratory dives inside the planet's rings, followed by a final fatal plunge into the gas giant.
SHANGHAI China's first cargo spacecraft docked successfully with the Tiangong-2 space lab on Saturday, the official Xinhua news agency reported, marking a major step toward Beijing's goal of establishing a permanently manned space station by 2022.
NEW YORK Philosopher, humanitarian and physicist Albert Einstein is the subject of new TV series "Genius," which delves into the drama and passion of the man who developed the theory of relativity and helped initiate the U.S. effort to build an atomic bomb. | Video
Tesla Inc founder and Chief Executive Elon Musk said his latest company Neuralink Corp is working to link the human brain with a machine interface by creating micron-sized devices.
LOS ANGELES As it turns out, some of the best cooks in the world think lionfish, a venomous predatory fish which is breeding out of control and destroying marine ecosystems in the Atlantic Ocean and the Caribbean Sea, is delicious. | Video
BEIJING China launched its first cargo spacecraft on Thursday, taking another step towards its goal of establishing a permanently manned space station by 2022.
WASHINGTON The conservative House Freedom Caucus came out in support of a reworked U.S. healthcare overhaul bill even though it would not fully repeal Democratic former President Barack Obama's signature healthcare law, the group said in a statement on Wednesday.