"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 ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

The mounds are located near the future landing site of ESA's ExoMars Rosalind Franklin rover, which is expected to launch in ...

On Thursday January 30th, astronauts Suni Williams and Butch Wilmore are doing a 6.5-hour spacewalk outside the International Space Station.

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...

The real scenario has lava with a temperature of more than 1,000°C (1,800°F) covering rivers, lakes, or some other water-rich ...

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

One of my gripes with "The Martian" movie was the depiction of the winds on Mars. The lower air density means that the sort ...

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

Earth’s nearest neighbors will be on display in the night sky and inside the Cincinnati Observatory during Nearest Neighbors Night on Saturday, February 1. This event will focus on the three celestial ...

Scientists at London's Natural History Museum have discovered mysterious giant mounds on Mars that are believed to be ...