SpaceX’s efforts to dim its Starlink satellites will likely be effective, at least for one major observatory. But the ...

There are still savings across telescopes and binoculars, even after Prime Day, but we expect them to finish soon.

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar comet 3I/ATLAS. Experts tell Live Science how they are planning to observe ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...