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

BIRMINGHAM, England (AP) — Olympic champion Keely Hodgkinson will be sidelined for six weeks with a hamstring tear that ended her hopes of breaking the women's indoor 800 meter world record at an ...

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