The mounds lie north of a feature of Mars known as the Martian dichotomy, where the towering, ancient highlands of the southern hemisphere give way to shallower, younger plains that stretch across the ...

Beneath the Earth's surface lies a vast ocean, which is three times larger than all the oceans on the planet. However, it is ...

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.