The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

Somewhere at the edge of the solar system a new Earth-sized world might be lurking, dubbed Planet Y. Astronomers have long proposed that there might be hidden planets beyond the Kuiper belt, a region ...

If you're an early riser, you're in for a treat. On Sunday, Aug. 10, six planets — Mercury, Venus, Jupiter, Saturn, Uranus and Neptune — will line up in what is called a "planetary alignment." This ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...

On Aug. 21, a stellar alignment of planets will illuminate the night sky for the last time until the year 2028 HANDOUT/University of Cambridge/AFP via Getty Keep your eyes on the skies, stargazers! A ...

This article first appeared on Wired.com. On August 10, six planets — Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune — will line up in an arc in the night sky. Four of these planets — Mercury, ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from. When you purchase through links on our site, we may ...