Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

Mars Express captures images of Acheron Fossae, revealing the Red Planet’s split terrain—ancient cratered highlands and ...

A more likely explanation is that volcanic features on these planets were created by hotspot-like activity or other variations of tectonics. Read More: Olympus Mons: Mars' Mega Volcano Various ...

Dubbed the largest volcano in the solar system, Olympus Mons stands at a height of 72,000 feet (13.6 miles). Located in the ...

One part of this plan would require increasing the planet’s atmospheric pressure, and one scientist suggests that capturing ...

Like Earth and Venus, Mars has mountains, valleys, and volcanoes, but the red planet’s are by far the biggest and most dramatic. Olympus Mons, the solar system’s largest volcano, towers some ...

The European Space Agency (ESA) just released some new snapshots from its Mars Express orbiter that detail the dynamic ...

Olympus Mons And no trip to Mars would be complete without a visit to Olympus Mons, the tallest volcano in the solar system. It covers a region the size of Arizona. It's three times as tall as ...

Mt. Everest might be the tallest mountain on Earth, but it's nothing compared to the tallest volcanic mountain in the solar system, Olympus Mons on our red cousin Mars. John Brady at Astronomy ...

When Iain mentioned that Mauna Loa in Hawaii was the second largest volcano in the Solar System, lots of you asked what the largest was. The answer is Olympus Mons on Mars. Yes. The hill of ...

Mars contains volcanic plains formed by past eruptions and inactive shield volcanoes that are much more massive than Earth’s volcanoes; Olympus Mons, the largest volcano in the entire Solar System, ...