Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

The Artemis program has been NASA's best chance to get "boots on the moon" again. But with the new US administration taking ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

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

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Through the end of February, all the planets in our solar system will visibly align in the sky, like a trope taken straight ...

And we will pursue our manifest destiny into the stars, launching American astronauts to plant the stars and stripes on the ...

Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky. You'll need binoculars or a ...