Black holes

Errors in models used to interpret gravitational wave signals could misleadingly suggest deviations from relativity, a new study warns.
Ramin Skibba, Contributor
This year’s prize highlights "the darkest secrets of the universe."
Yuen Yiu, Staff Writer
The merger occurred when the universe was half its current age, and it may have produced the first known black hole of intermediate size
Charles Q. Choi, Contributor
Theoretical astrophysicists predict that a glowing halo just outside the event horizon should surround all black holes.
Yuen Yiu, Staff Writer
Scientists may soon be able to observe a dramatic, long-predicted consequence of Einstein’s theory of general relativity.
Meredith Fore, Contributor
Refined instruments reduce noise at the quantum level, allowing for discoveries of more distant gravitational waves.
Ramin Skibba, Contributor
Marvel at the lives and deaths of stars across the universe.
Abigail Malate, Staff Illustrator
Astrophysicists devised a new theory that may explain the formation of black holes with masses exceeding 50 times that of our own sun.
Yuen Yiu, Staff Writer
Enjoy the start of astronomical autumn with black holes, a comet, star clusters and other stunning images.
Abigail Malate, Staff Illustrator
Appreciate anniversaries marked by moonwalks and stellar fireworks this month
Abigail Malate, Staff Illustrator
Gaze upon halos of light, streams of interstellar gas, and nearby Earthlike planets this month.
Abigail Malate, Staff Illustrator
Elusive intermediate mass black holes may hold clues to how their more common supermassive cousins form.
Catherine Meyers, Editor