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By Nsikan Akpan
A brain implant and an electronic sleeve have restored hand movements in a paralyzed quadriplegic person for the first time.
Radioactive stardust confirms the two closest supernovae to ever explode near Earth. The most recent of the pair may have altered human evolution.
By Alexandra Sarabia
Want to train a voice to align with a gender that is different than the one assigned at birth? Try this clinic.
Here are 3 reasons why your health care records will likely be hacked.
Biophysicists film and measure how a hydra manages to rip apart its skin to open its mouth.
By PBS NewsHour
Astronaut Scott Kelly spent 340 days -- the longest an American has ever been in space -- on the International Space Station before descending into Kazakhstan by capsule Tuesday evening. Kelly’s extraterrestrial sojourn was part of a study on the…
Watch this supercut of Scott Kelly's best pictures and videos, and hear what he had to say about his year in space before departing.
Scientists use a telescope in Chile to complete a survey of the coldest parts of the Milky Way's galactic plane.
Tread carefully before opting out. A new Harvard study explores why choosing not to disclose might be perceived as worse than lying.
As conservationists struggle to save endangered species, a litter of adorable puppies -- and the secret behind their birth -- might provide a helpful breeding tool. The puppies, born in July, are the first successful examples of in vitro fertilization…
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