A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...
Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...
"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored." ...
A neutrino with 30 times more energy than any previously seen on Earth was detected by an unfinished observatory at the ...
Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...
Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...
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 ...
The Quipu superstructure is enormous, spanning 1.4 billion light years – and it could violate one of our fundamental ...
Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.