Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

Claims for the detection of life on other planets go back decades. Here's why you should still be skeptical despite recent discoveries.

Astronomers have discovered a remarkable planetary system that challenges long-held assumptions about where planets can ...

Small companion galaxies around our neighboring Andromeda galaxy appear to stretch and point toward Earth in a fascinating ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

In 2006, the International Astronomical Union stopped classifying Pluto as our solar system’s ninth planet and demoted its ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter ...

You'll use either the Astro filter or the Dual-band filter for astrophotography. The Astro filter captures more infrared ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a ...