These surprising effects, detected in observations from the James Webb Space Telescope , include a cold spot in Jupiter's ...

Rogue moons drifting through space may host long-lived oceans for up to 4.3 billion years, expanding where scientists search ...

Exomoons orbiting rogue planets could host liquid water for billions of years, offering potential habitats for life deep in interstellar space.

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting ...

The largest of all planets in the Solar System, Jupiter is a gas giant with a mass that is twice the size of all other planets combined. You may have learned in your school science text that if it ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

Venus is making a dazzling comeback, climbing into view above western skies, marking the beginning of her journey as an “Evening Star" ...

The spacecraft slowed down the system's 76,000 mph orbital speed... by two inches per hour. We're going to have to punch a lot harder if we want to save Earth.

It might sometimes feel like the days are starting to drag on, but scientists say that this isn't necessarily all in your head.

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.

One particularly well-known fact about the moon is that it doesn't have much of a magnetosphere to speak of. There's no blanket to protect it from the solar wind ravaging its surface, blowing away its ...