The Trump administration issued an executive order last month that quietly declared that NASA will now function as an ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

A former NASA scientist pleaded guilty to mortgage fraud after the government found years of deceit, including fake pay stubs ...

Spacecraft have used a plutonium isotope to stay afloat for decades, but another isotope could last even longer.

Chants of "Save NASA!" echoed through downtown Washington, D.C., Monday(Sept. 15) as agency workers and supporters rallied ...

Four astronauts splash down off the Southern California coast after a five-month stay at the International Space Station. A NASA crew hadn't returned in the Pacific since 1975.

A new report from the Commercial Space Federation warns that China could soon overtake the U.S. in the "new space race." The ...

“There is no evidence of microbes on Mars today, but if any had been present on ancient Mars, they too might have reduced ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Here's what we know.

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars may have potentially been ...

After a year of scientific scrutiny, a rock sample collected by the Perseverance rover has been confirmed to contain a potential biosignature. The sample is the best candidate so far to provide ...

NASA has announced that a sample collected on Mars by its Perseverance rover may contain evidence of ancient microbial life ...