Earth is probably stabilizing to life-friendly conditions, but Mars is different. This is indicated by simulations and ...

Sotheby's auction also includes a piece of the moon shaped into a sphere, and a space rock advertised as 'the oldest matter ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

Curiosity stitched 291 Mastcam photos into a color-balanced 360° panorama of Gale Crater’s “boxwork” ridges—spiderweb-like ...

For those who associate Sotheby’s with blue-chip art sales, Geek Week is a reminder that the auction house doubles as a ...

Venus: Venus dazzles in the eastern sky before sunrise, shining brightly for a couple of hours each morning. It’s joined by ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

Aerospace giant Lockheed Martin offered to "execute Mars Sample Return (MSR) as a firm-fixed price solution for under $3 ...

For years, scientists believed that Mars was a dry and barren world. However, recent research has revealed something ...

NASA"s beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a ...

Mars, the fourth planet from the Sun, is a subject of fascination for astronomers. Though significantly smaller than Earth, ...

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...