Albert Einstein’s general theory of relativity describes how the fabric of space and time, or spacetime, is curved in response...
Astronomers using the NASA/ESA Hubble Space Telescope have come up with what they say is some of their best evidence...
After a three-year hiatus, scientists in the U.S. have just turned on detectors capable of measuring gravitational waves – tiny...
Astronomers using the most powerful telescope ever built have identified a massive, densely packed galaxy 25 billion light years away....
Researchers have observed the X-ray emission of the most luminous quasar seen in the last 9 billion years of cosmic...
The theory of relativity works well when you want to explain cosmic-scale phenomena—such as the gravitational waves created when black...
Imperial College researchers have created a spinning disk of plasma in a lab, mimicking disks found around black holes and...
Astronomers have found that supermassive black holes obscured by dust are more likely to grow and release tremendous amounts of...
More than a hundred blazars—distant and active galaxies with a central supermassive black hole that drives powerful jets—have been newly...
Stars living closest to the supermassive black hole at the center of the Milky Way have no stellar companions, a...
A new study sheds light on the bright outbursts of radiation that are created when a star is destroyed by...
A team of astronomers led by the University of Southampton has uncovered the largest cosmic explosion ever witnessed. The explosion...
