Scientists once thought the early universe didn't make them.

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

The discovery potentially transforms what we think about how the cosmic environment influences galaxies as they form.

An international team led by the University of Oxford has identified one of the largest rotating structures ever reported: a ...

NORFOLK, Va. — A light year is exactly what it sounds like: the distance light travels in one year. If you need to get somewhere quick, you'd want to jump on this train because light travels through ...

Even if they were dozens of light-years away, two colliding neutron stars could create a powerful enough explosion to wipe out life on Earth. At least, that’s according to a recent paper published in ...

"All that remained was the particular flat shape." ...