Though our solar system and the movement of its planets appear relatively sedate, there are many things that could upset the ...

Have you ever wondered why all the planets in our solar system orbit in the same plane? This fascinating characteristic of planetary orbits has intrigued astronomers for centuries. When we observe the ...

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the ...

Astronomers discover a new strategy for detecting exoplanets: look for aligned binary stars that reveal hidden worlds more ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

A young planet named HIP 67522 causes violent eruptions on its star, dramatically accelerating the loss of its own atmosphere ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

WASHINGTON (Reuters) -Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close ...

The clingy planet orbits so close to its star, it triggers powerful explosions of radiation that eat away at its atmosphere.

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

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