Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...

A new image from NASA’s Mars Odyssey orbiter reveals an extraordinary sight: a massive formation breaking through Mars’ early ...

Scientists have observed a strange phenomenon in the atmosphere of Titan, Saturn’s largest moon, discovering that its upper atmospheric layers do not remain fixed relative to the surface but instead ...

NASA's shocking discovery of X-shaped structures in Earth's ionosphere could unleash chaos.

Residents across the Upper Peninsula may notice low-flying planes this month — but don’t fret; they are supposed to be there.

Residents across the Upper Peninsula may notice low-flying planes this month; don’t fret; they are supposed to be there. On ...

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for ...

SpaceX shared a video in which founder Elon Musk gave a timeline for the company's Starship to reach Mars in the years ahead.

June arrives this year with a promising opportunity for much of the U.S. to potentially see the northern lights, or ...