Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

A study published in Nature Communications suggests that Europa’s rocky seafloor is likely too mechanically strong to support ...

Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Scientists found a mysterious rogue planet roaming aimlessly outside our solar system. What if it came closer?

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

The year 2026 is officially here and is all set to a spectacular one for stargazers. This guide will break down the planetary ...

Key takeawaysPlanets larger than Earth but smaller than Neptune are the most common kind in the galaxy, but because our solar ...