Electric or not, used full-time or for recreation purposes only, cheap or expensive, old and new, bikes are fun. They’re also a lot of work in terms of maintenance because, well, stuff gets worn out ...

Using ESO’s Very Large Telescope and its ability to obtain images as sharp as if taken from space, astronomers have made the first time-lapse movie of a rather unusual shell ejected by a “vampire star ...

A team of ESO astronomers have discovered two stars at the heart of a planetary nebula that are destined to collide some 700 million years from now, igniting a vast supernova explosion. The findings ...