The Griffith Observatory in California had a great view of the Mars-Moon occultation on Dec. 7, 2022. See the Red Planet slip ...

Mars will shine close to the blue star Spica at sunset on Sept. 13, but you'll need a clear view of the western horizon to ...

A simple core of pure iron and nickel couldn’t account for the observed properties. The Martian core must be rich in “light ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

On the evening of September 13, 2025, a stunning astronomical event will light up the western horizon as Mars, the Red Planet, pairs with the dazzling blue star Spica. This rare alignment, described ...

Arsia Mons, an ancient Martian volcano, was captured before dawn on May 2, 2025, by NASA’s 2001 Mars Odyssey orbiter while the spacecraft was studying the Red ...

Heads up, stargazers! The waxing crescent moon will appear on the left shoulder of Mars in the hours following sunset on July 28 — close enough for both to fit easily in the view of a pair of 10x50 ...

The Red Planet's interior has not changed much since its early formation, preserving features that would have been erased on a planet such as Earth.

This year, the Perseids meteor shower (typically the most impressive of the year) was washed out by a bright full Moon. Fortunately, skywatchers have a consolation prize in August with the second and ...