Newly discovered ripples in spacetime put Einstein’s general relativity to the test
When black holes collide, the crash generates ripples in the fabric of spacetime—gravitational waves. These distortions travel far…
New catalog more than doubles the number of gravitational-wave detections made by LIGO, Virgo, and KAGRA observatories | MIT News
When the densest objects in the universe collide and merge, the violence sets off ripples, in the form…
‘Collective hum’ of black holes could mend our broken understanding of the universe
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Scientists develop a new way to measure the expansion rate of the universe
For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe…
Astrophysicists Propose New Method to Measure Hubble Constant
Astrophysicists from the University of Illinois and the University of Chicago have developed an innovative method to measure…
New gravitational wave detection tests Einstein’s theory of gravity
On January 14, 2025, the LIGO detectors recorded the loudest gravitational-wave (GW) signal to date, GW250114_082203, nicknamed GW250114,…
NASA Researchers Probe Tangled Magnetospheres of Merging Neutron Stars
New simulations performed on a NASA supercomputer are providing scientists with the most comprehensive look yet into the…
NASA, Partners Advance LISA Prototype Hardware
Engineers and scientists at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, completed tests this month on a…
Physicists Begin Building First-Ever Graviton Detector
Stevens Institute of Technology physicist Igor Pikovski and colleagues are developing the first experiment designed to capture individual…
Astronomers may have detected a first-of-its-kind superkilonova
The three stages of a theoretical superkilonova are imagined in this artist’s concept. A rapidly spinning massive star’s…
The biggest scientific breakthroughs of the last 25 years—and a few to watch
James Webb Space Telescope gives us the oldest ever look at the universe On December 25, 2021, space…
Astronomers solve cosmic mystery surrounding two massive black holes that shouldn’t exist
Astronomers knew something did not add up when detectors picked up a vast cosmic crash in 2023. The…