"To decide not to return them, or to put it off to an indefinite future time with human missions would be to take a major ...

NASA's most recent confirmed deputy administrator was former astronaut Pam Melroy, who left the post along with agency chief ...

After billions of dollars in spending and decades of planning, NASA may be forced to abandon precious samples of air, rock ...

Trump’s speech made no mention of a proposed $2.2 billion cut to NASA’s space science missions, some of which play a role in ...

RIYADH, Saudi Arabia — President Trump arrived Tuesday for the first leg of his Middle East tour in the Saudi capital of ...

The cuts to NASA’s Science Directorate are part of an overall 24% slash to the space agency’s budget from $24.8 billion to ...

NASA’s Dragonfly rotorcraft lander is designed for flight on Saturn's moon Titan. See a "half-scale Dragonfly lander model" ...

The announcement was made in Riyadh by President Donald Trump and Saudi Crown Prince Mohammed bin Salman during the president’s visit to Saudi Arabia.

NASA accidentally broadcasted a drill that simulated an astronaut with a medical emergency. A NASA flight surgeon can be ...

Any crewed lunar exploration program is a protracted and expensive effort that requires steadfast leadership, the antithesis ...

The Donald Trump administration's budget proposal has sparked concerns at NASA as it could lead to cancellation of several major missions. One of these missions is the Mars Sample Return which has ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...