A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

Three new full-dome movies will highlight the July schedule at the University of Wyoming Harry C. Vaughan Planetarium.

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Meteorites originating from Mars have been discovered on Earth in the past, but none from Mercury. This intrigued planetary scientist Ben Rider-Stokes of The Open University in the UK. His study shows ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

Two meteorites discovered in the Sahara Desert could potentially be fragments of Mercury that broke off during a collision in ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Scientists may have solved alongstanding mystery in the study of Mercury. For the first time, pieces of the Solar System’s ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...