Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs.

We explore some of Wikipedia’s oddities in our 7,064,921-part monthly series, Wiki Wormhole.

Research suggests spending time in space is akin to fast-tracked aging. NASA’s pioneering study of the identical twin astronauts Mark and Scott Kelly tracked signals of aging in both men while Mark ...

Climate stories are in the news again this week, with President Donald Trump calling it a “hoax” during at the U.N. and China ...

Lockheed Martin's concept for a fission surface power (FSP) system on the surface of the moon. Credit: Lockheed Martin WASHINGTON — NASA is moving ahead with plans to support development of a lunar ...

Temperatures on the planet could make water theoretically possible. Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named TRAPPIST-1 e, ...

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported Wednesday. They stressed that in-depth analysis ...

The Trump administration issued an executive order late last month, quietly declaring that NASA will operate as a national intelligence and security agency going forward. The order stipulates that the ...

Amit Kshatriya, who led NASA’s Moon to Mars Program Office, was named associate administrator Sept. 3. Credit: NASA/Joel Kowsky WASHINGTON — NASA has named Amit Kshatriya as its new associate ...

NASA's interim administrator, Sean Duffy, was fired up on Wednesday when he joined a teleconference to talk about new scientific findings that concerned the potential for life to have once existed on ...

Radioisotope power systems (RPS) keep spacecraft going with nuclear batteries. Until now, RPS operated using a plutonium isotope, but researchers have found that an isotope of americium could keep ...