Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ...

For the fourth year in a row, iridescent clouds of frozen CO2 are lighting the Martian sky. The clouds appear in the same ...

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 ...

This view of Mars' Valles Marineris hemisphere from July 9, 2013, is a mosaic of 102 Viking Orbiter images. At the centre is the Valles Marineris canyon, over 2,000 km long and up to 8 km deep. This ...

Scientists have used orbiters and rovers to find dried streams, lakes, and gullies on Mars that hint at its watery past, but ...

NASA’s Curiosity rover has uncovered wave-like patterns carved into Martian rock, suggesting that liquid water existed on the ...

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

A study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about ...

NASA's Curiosity Rover has spotted ancient wave ripples on Mars, providing evidence that liquid water flowed on the planet billions of years ago. Scientists have long known that water was once ...

Ferrihydrite, a water-rich iron mineral, plays an important role in giving the red planet its signature hue, according to the ...

Today, we know of Mars as a cold, dry desert ... In November 2022, NASA's Curiosity rover imaged the Amapari Marker Band in the foothills of Mount Sharp, located in Gale Crater.