Just above the moon will be Mars, shining with a steady orange glow. Both the moon and Mars will be in the Gemini ...

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Boffins plan to set a vampire trap to lure out aliens hiding on Mars using a chemical in human blood. Astrobiologists are ...

General Atomics and NASA achieved an important milestone on the road to using nuclear-powered rockets by testing a new fuel ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

"Tonight, we're going to be able to see Saturn for the last time this season until it returns to the morning sky in May," ...

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

An illustration shows two faces of Mars a hot and arid wasteland and as a cold water ice rich enviroment. | Credit: Robert Lea (created with Canva) New research suggests that temperatures on ...

New research suggests that temperatures on ancient Mars may have fluctuated between hot and cold periods through a relatively short period during its lifetime of billions of years. But these hot and ...