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

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

James Webb Space Telescope captures HH 30’s disc, revealing dust movement, jets, and planetary formation processes.

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

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

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

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

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

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.

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

The Universe is full of dust, and a striking new image from the Hubble Space Telescope highlights just how important it is.

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