The HiRise camera is living up to its name, capturing a rare look at the veteran rover from way up in Martian orbit.

New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.

NASA’s Mars Reconnaissance Orbiter (MRO) has captured what’s believed to be the first orbital image of the Curiosity rover ...

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

A new image has emerged of the Red Planet rising above the lunar limb after being occulted by the moon in January.

Perhaps the best known of all comets is Halley, correctly pronounced so that it rhymes with rally, not daily. It is named after the 17th-18th century astronomer Edmond Halley. This ...

As scientists and space enthusiasts commemorate the Hubble Space Telescope's 35 years in orbit, the mission team joined in by ...

One billionaire wants to move industry off-world, returning Earth to a pristine state. The other wants to colonise Mars.

These are the kinds of questions astrophysicist and science journalist Adam Becker poses in his new book, More Everything ...

Credit: NASA, ESA, STScI/Cover Images To commemorate the 35th anniversary of its launch into orbit, NASA’s Hubble Space ...

That's because the moon is far closer to the Earth than Mars, so what you see depends on your point of view from Earth; the moon's position in the sky on any night can differ by about four times ...