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

Seismic activity on the Red Planet – called Marsquakes instead of earthquakes – has allowed scientists to study Mars' “lumpy” ...

A former NASA administrator testified that it was “highly unlikely” the agency would win the new space race unless something ...

NASA acting administrator Sean Duffy pushed back against recent critics who have suggested China will beat the US back to the ...

NASA has named Amit Kshatriya as its new associate administrator in a move meant to emphasize the role of exploration at the ...

Named 3I/ATLAS, the comet is only the third known interstellar object to enter our solar system, and it's the largest and ...

A new executive order excludes NASA and other agencies from their collective bargaining rights, citing national security ...

Bridenstine, who oversaw the creation of the Artemis Program half a decade ago, put it most bluntly: "Unless something ...

After a brief stint working as NASA's acting associate administrator, Vanessa Wyche is returning to her role as director of ...

Amit Kshatriya, a veteran of NASA's Moon to Mars Program, has been named associate administrator, the agency's top ...

The Red Planet had a grisly history. New examined data taken by NASA's retired InSight lander suggest that there may be giant ...

A flash of light followed by an explosion early Tuesday rattled residents in parts of Northern New Jersey, but police and ...