The Hubble Space Telescope has imaged a "200,000 light-year-long trail of newborn stars" that may have been left behind by a ...

In November, scientists arrived at the South Pole in planes outfitted with skis to pull off a construction project seven years in the making.They had a short summer window -- ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's supermassive black hole Sagittarius A*. See W.M. Keck Observatory imagery of X7 ...

Learn how supermassive black holes may be suppressing star formation in nearby galaxies.

An exceptionally hungry black hole from the dawn of the universe is growing at 13 times the cosmic 'speed limit', experts say ...

The universe contains billions of galaxies, each filled with stars, dust and mystery. Here are 12 incredible galaxies, ...