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 ...

An unusual flickering of a young F-type star called Gaia20ehk and an expanding cloud of dust around it suggest that a catastrophic planetary crash unfolded in real time, offering a rare glimpse of the ...

Could a passing star be on a collision course with our solar system and, eventually, Earth? It’s difficult to know if such an outcome is likely. Recently, researchers have found the Milky Way likely ...

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting very strangely. The star, named Gaia20ehk, was about 11,000 light-years from ...

A new study proposes that a crash between Titan and another moon spawned Hyperion and, much later, destabilized Saturn’s ...

Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

The targeted collision of a space probe with an asteroid moon can change the orbit of the main asteroid around the sun. The Dart experiment has shown this.