Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

The gas giant WASP 121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

SPACE (KXAN) — A star flying through the night sky may be the fastest-moving solar system in our ... planet In the 2011 study, the team discovered one body was likely a star about 20% the size ...

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in particular is something quite new.

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...