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

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

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

Planetary Parade A rare alignment of Venus, Saturn, Jupiter, Mars, Uranus, and Neptune is visible this month and into early ...

Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

Buttes and mesas in Mars' Chryse Planitia contain clay minerals made from liquid water interacting with the rock nearly 4 ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

President Donald Trump made a bold promise to America minutes after taking the Oath of Office: pledging that an American flag ...

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

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

HELENA — The planets are aligned. Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky.