Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic ...

The star-forming region called Sagittarius B2 contains half of the galactic center's stars, yet only 10% of the gas.

This intermediate spiral galaxy spans roughly 65,000 light-years—about half our own galaxy’s width, yet every bit as dynamic. At its core lurks a supermassive black hole weighing between 3 and 10 ...

This NASA/ESA Hubble Space Telescope image features a galaxy whose asymmetric appearance may be the result of a galactic tug of war. Located 35 million light-years away in the constellation Leo, the ...

Scientists have discovered a giant black hole that they believe may have been formed in the first few microseconds after the Big Bang. The black hole is so huge that it may change our understanding of ...

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first stars and galaxies form? Those are questions that astronomers now have a ...

These three galaxy images from the AEGIS survey show a range of galaxy types: a disk-like spiral galaxy (top), a cloud-like elliptical galaxy (middle), and an irregular galaxy resulting from a ...