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

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 ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

We often forget how wonderful it is that life exists, and what a special and unique phenomenon it is. As far as we know, ours ...

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

The clouds, composed of carbon dioxide ice crystals, glow in shades of red, green, and pearlescent hues in the martian ...

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

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...