When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

The Earth's movement is primarily directed towards the star Lambda Herculis at an approximate speed of 45,000 mph (72,000 km/h). This velocity, while significant, would require approximately 5.5 ...

The Asteroid Terrestrial-impact Last Alert System, better known as ATLAS, detected a fast-moving object entering our solar ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system? Astronomers have new cause to investigate. With powerful telescopic ...

Wave-particle interactions across the solar system can have a wide range of effects though they are caused by the same set of ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system’s distant ...

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 ...