Almost all planets in our solar system have moons – why not exoplanets? Astronomers believe they have discovered the first ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

Get your coat, grab a warm drink, and step outside. The December night sky brings a spectacular lineup of planets, meteors ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

Small icy moons may have hidden oceans that briefly boil under thick ice. Changing pressure inside these moons shapes their ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

The December skies will showcase a stunning array of celestial sights. Here's a guide to what you should keep an eye out for: ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

Tracking the first astronauts’ visit to Mars won’t be as simple as watching a clock or marking days off of a calendar. Thanks ...

Grant and Cugno used the James Webb Space Telescope (JWST) to pick out the infrared glow from the disk of gas and dust ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...