Tom Stafford commanded the first Apollo mission to dock with a Soviet craft in space. He also served as commander of Apollo 10 - the dress rehearsal before NASA's first landing on the moon in 1969.
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Scientists at a biotech company say they have created a key stem cell for Asian elephants that could help save the endangered species and become a steppingstone for bringing back the woolly mammoth.
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Voyager 1 has been traveling through space since 1977, and some scientists hoped it could keep sending back science data for 50 years. But a serious glitch has put that milestone in jeopardy.
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A satellite with a climate solutions mission blasted off on a SpaceX rocket Monday. It's on a mission to detect planet-heating methane pollution from the oil and gas sector.
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Three NASA astronauts and a Russian cosmonaut will spend about six months on the International Space Station - conducting experiments and research. They'll relieve four people of the Crew-7 mission.
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After being hunted for decades, humpback whales returned to the Pacific Ocean in big numbers. Now, new technology is revealing that underwater heat waves are taking a toll on that recovery.
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Navy Capt. Victor Glover, who spent nearly six months aboard the International Space Station, will be among four astronauts to venture back to the moon for the first time since 1972.
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These cases raise a critical question for the First Amendment and the future of social media: whether states can force the platforms to carry content they find hateful or objectionable.
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Why do we have leap years, and what are we supposed to do — or not do — with our rare extra day? NPR's Morning Edition spoke with experts in astronomy, history and economics to find out.
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The agency is accepting applicants for the second cohort of its Mars simulator mission. Participants will live and work from a 3D-printed, 1,700-square-foot facility at NASA's Houston space center.
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With a mass 17 billion times larger than our sun, this black hole is the fastest-growing black hole ever recorded, Australian National University said.
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An unmanned lunar spacecraft has captured and transmitted data analyzing lunar rocks, an achievement that could help provide clues about the origin of the moon, a Japan space agency official said
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The plant gets its color — and a boost in antioxidants — from genes from an edible flower. It's the first time gardeners have been able to grow a GMO crop at home.