Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

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

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

Look up on a dark night and the stars seem scattered at random. Step back in scale, though, and the Universe looks nothing ...

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 ...

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

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 ...

In the constellation Cygnus, a bright knot of stars seems to adorn one edge of a nearly perfect 20-light-year-wide circle, earning the structure the nickname "Diamond Ring." But a ...