The ripples suggest that the lake was free of ice at one point.

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

As expected, the billionaire astronaut—and likely future administrator of NASA—is focused on Mars and the private sector.

Human beings have been striving for years to learn more about the planets neighboring Earth. In particular, the efforts have focused on Mars, where the Curiosity rover has been pla ...

NASA's Curiosity rover photographed remnants of rippling waves in an ancient Martian lakebed, proving that the Red Planet had ...

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

Every Martian year (which last 686.98 Earth days), the red planet experiences regional dust storms that coincide with summer ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

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 ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Trump put Mars missions in the spotlight in his January inauguration speech. Experts don’t believe a flag-planting will be ...