Mars carries a landmark that dwarfs anything found on Earth: a single volcanic mountain so large it would blanket an entire U ...

Data from NASA's InSight mission suggests the Red Planet's Tharsis region is more active than previously thought and may be why Mars is spinning more quickly over time.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Arsia Mons, one of Mars' ...

While Earth was still in its dinosaur era and edging into mammal history, Mars still had volcanic activity in the Tharsis region. That timing window overlaps with the dinosaurs’ last chapter and the ...

Add Yahoo as a preferred source to see more of our stories on Google. A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100 ...

Volcanic activity on Mars has existed in the past. The most recent was likely 50,000 years ago. Olympus Mons, the largest volcano on Mars, hasn’t shown signs of activity for 25 million years. Volcanic ...

A dazzling image taken by NASA’s 2001 Mars Odyssey orbiter shows an unprecedented view of a 12-mile-high volcano poking through clouds at dawn on the Red Planet. Arsia Mons, which dwarfs Earth’s ...

Young Mars would have been a staggering place to explore. The Red Planet was covered in flowing rivers of both water and lava. At the time, a series of four volcanoes — Olympus Mons and the three ...

Researchers use the sophisticated technology on NASA's Perseverance rover to analyze volcanic rocks in Mars' Jezero Crater. Their findings show that some of the same volcanic processes that led to ...

Mars’s marred surface consists of craters, canyons, and mysterious formations that hint at a complex geological past. Scientists recently studied a tantalizing feature that could shed light on the ...

A new panorama from NASA's 2001 Mars Odyssey orbiter shows one of the red planet's biggest volcanoes, Arsia Mons, poking through a canopy of clouds just before dawn. Arsia Mons and two other volcanoes ...