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

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes ...

Scientists are cataloging and analyzing the first samples collected by NASA's Perseverance rover while the agency weighs its ...

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

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

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

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

Elon Musk has previously criticized NASA's Artemis moon exploration program as being "extremely inefficient." ...