Our Solar System is simple—one star, planets orbiting around it. But what happens in a system with multiple stars? Scientists ...

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

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

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where planets formed in the early universe.

Astronomers from MIT, the University of Liège in Belgium, and other institutions have stumbled upon a truly bizarre planet—an ...

Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

Sean Murray says new engine advances in Light No Fire's development creates "…this urge to share it with the [No Man's Sky] ...