Just 25 light-years from Earth, astronomers have watched a planetary system tear itself apart in real time, catching the dusty aftermath of violent impacts that were once only theoretical. Instead of ...

The Hubble Space Telescope observed the debris belt and dust clouds around the star Fomalhaut, which was blotted out to allow the fainter features around it to be seen. - NASA / ESA / Paul Kalas / ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

A recent theory has emerged suggesting that the answer to Mercury’s unusually large metallic core may lie in the early history of our solar system. This theory proposes that a soft collision between ...