Some planets do not orbit stars at all. These rogue worlds drift through interstellar space after being ejected from their ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Scientists now have direct evidence that a planet — not just failed stars — can rove the galaxy after a violent expulsion from its orbit. - NASA / JPL-Caltech / R. Hurt illustration Astronomers have ...

There are worlds like hot Jupiters, gigantic and very hot, as well as ocean worlds and super-Earths with a rocky structure ...

The traditional Habitable Zone (sometimes called the Goldilocks zone) is kind of like a campfire. If you sit too close, you ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. Earth-like ...

– January 7, 2026 (London time) – One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the size of Earth and Neptune within the orbit ...

Most planets spend their lives orbiting a star, but some are destined for exile. According to a study published in Science on Jan. 1, 2026, astronomers have successfully measured the mass and distance ...