Mount Everest may be the tallest mountain on Earth, but it's nothing compared to the towering giants scattered across our ...

Olympus Mons on Mars is the tallest mountain in the solar system, rising an astonishing 21 kilometers high, nearly two and a half times taller than Mount Everest. But its true scale isn’t just about ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery made by a NASA rover has offered a clue for this mystery, new research said ...

A growing collection of photography articles to help you become a better photographer, includes interviews with photographers, photography events, software guides, hot products, consumer advice ...

Snack maker Kellanova’s shares rose Thursday on news that its proposed merger with Mars Inc. had cleared U.S. regulators. The U.S.

New findings by NASA's Mars rover Curiosity complicate what scientists thought they knew about when the planet dried up for good.

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.

NASA registers a new glimpse of the biggest volcano on Mars One of the largest volcanoes on Mars, the Arsia Mons, was just captured by images through a canopy of clouds before dawn on the Red Planet.

Astronomers Found a Volcano Hiding in Plain Sight on Mars It's not active now, and it hasn't been active for some time, but it's a volcano.

The NASA Odyssey orbiter, which launched in 2001 from Cape Canaveral, snapped a 1st-ever image of a Mars volcano peeking above the clouds before dawn.