Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

Scientists may have figured out how Mars hung onto its surface liquid water in its ancient history via alternating periods of ...

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface ...

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

NASA's Rover found ripples in Martian rock that resemble the wave patterns on a sandy lake bed on Earth. The ripples could ...

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the ...

Mars is extremely dry, and any ice near the equator would quickly sublime and migrate toward the planet's colder poles. However, the presence of rootless cones suggests a very different past, and ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

However, throughout millions of years, the planet lost that atmosphere ... Scientists suspect past water is preserved below Mars’ dry lake-beds, including underground ice deposits or briny liquid ...

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