Dr. Pierre Martin and his team created an animation showing two galaxies colliding more than 440 million years ago.

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Last month when scientists announced new ...

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...

Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...