The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds as its revised trajectory is now ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Object 3I/ATLAS will make close approaches to Jupiter, Mars and Venus, which could allow aliens to stealthily plant spy ...

On July 1, 2025, astronomers caught sight of a mysterious object racing through the solar system. This object, now named ...

Astronomers have discovered a new member of a rare and mysterious class of solar system objects known as sednoids - a subset of extreme trans-Neptunian objects (ETNOs) with exceptionally distant, ...

The day before my thesis examination, my friend and radio astronomer Joe Callingham showed me an image we'd been awaiting for ...

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

A mysterious new interstellar object, 3I/ATLAS, was discovered in July. It turns out that wasn't the first time our ...

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...

Astronomers have likely witnessed a planet forming in real time, seen inside a spiral arm of the HD 135344B protoplanetary ...