On May 15, 2026, NASA’s Psyche spacecraft will swing within roughly 2,800 miles (4,500 km) of Mars, using the planet’s ...

A duo of researchers has just published a study featured on the cover of the journal Astronomy & Astrophysics which shows that as it gets closer to the planet Mars, Phobos, its largest moon, will ...

See dazzling planets, the Milky Way and a trio of celestial animals brightening the spring sky around May's new moon.

Six planets in the solar system have at least one moon. Both Earth and Mars are toward the lower end of the lunar count, as our home planet only has one moon, and Mars has two. But not all moons share ...

Its target asteroid could give us insight on how Earth's core came to be.

Sky-watchers are in for a treat this week, as the planets will put on a rare show in the early morning hours. You won’t want ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

Blue sunsets, whirling dust devils, giant volcanoes, tiny moons, and marsquakes—there’s a lot to discover on Mars!

Mars’ moons are easily visible at night from the surface of the Red Planet. Phobos – the nearer, larger, and brighter of the two – would be obviously non-round. A sharp-eyed observer would be able to ...