Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created Earth's moon.

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

University of Washington astronomers discovered possible evidence of two planets colliding while reviewing 2020 telescope data. The finding came after a sun-like star about 11,000 light years away ...

When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

A team of astronomers at the University of Washington has identified what appears to be the aftermath of two planets smashing into each other around a star roughly 11,000 light-years from Earth. The ...

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 ...

A seemingly regular, Sun-like star began acting really weird, flickering haphazardly as its light faded in and out. The cause of the star’s strange behavior may have been a cosmic catastrophe that’s ...

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.

It is generally accepted that around 4.5 billion years ago, a Mars-sized planet known as Theia slammed into the Earth, throwing up the material that eventually coalesced into the ...