Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the Milky Way galaxy, such as its gravitational potential and the distribution of ...

Astronomers have sought to explain the existence of supermassive black holes forming less than a billion years after the Big Bang, a timescale incompatible with standard stellar evolution processes.

A space reporter traveled to Upper Michigan, where she rediscovered a sense of cosmic wonder. The view of the stars from a dark sky preserve in southern Michigan.Credit...Emily Elconin for The New ...

All around us are elements forged in stars, from the nickel and copper in coins to the gold and silver in jewelry. Scientists have a good understanding of how these elements form: In many cases, a ...

"This is a structure we've never seen before, so it could be a new class of dark object." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Chris Impey has received funding from NASA, NSF, Howard Hughes Medical Institute, and the Templeton Foundation. If you look across space with a telescope, you’ll see countless galaxies, most of which ...