A cosmic giant 5,000 times the Milky Way’s mass emerges from the early Universe
Astronomers have reconstructed detailed three-dimensional maps of two enormous protoclusters seen when the universe was only about 2.1…
A new supernova has been discovered about 40 million light-years from Earth
ⓘ NASA – Unsplash An artist’s illustration showing a star and a planet. Astronomers have detected a new…
Black hole ‘hair’ could reveal hidden matter after two black holes collide
A new theoretical framework suggests that “hair” around black holes, representing surrounding matter or departures from the simplest…
After years of silence, a pulsar suddenly changes its spin three times
ⓘ NASA – Unsplash An artist’s illustration showing a neutron star and planets. After studying a young pulsar…
JWST detected an icy world beyond Jupiter transforming into a comet
JWST detected carbon dioxide gas around the active Centaur 450P/LONEOS while finding no detectable water-vapor or carbon-monoxide emission,…
Tidal forces may have doomed an ancient moon around Venus
A hypothetical moon around early Venus could initially have migrated outward, only for tidal evolution to reverse its…
Astronomers confirm Einstein’s gravity by viewing light from behind a supermassive black hole
Astronomers detected delayed X-ray flashes consistent with light reflected from the far side of an accretion disk and…
JWST finds mysterious red objects pairing up in the early universe
JWST images have revealed four candidate pairs of “little red dots,” compact early-universe objects increasingly associated with rapidly…
Powerful new magnetic system could help spacecraft survive the brutal heat of reentry
Tokyo Metropolitan University researchers built a pulsed electromagnet system that can test magnetic aerobraking under shockwaves traveling about…
The universe may contain a staggering 40 quintillion black holes
Astronomers estimate that about 40 quintillion stellar-mass black holes exist within the observable universe, a number written as…
Scientists narrow the search for dark matter using new galaxy simulations
Stellar streams have long been treated as relatively smooth structures whose gaps, kinks and spurs could reveal invisible…
‘Cosmic Glitch’ could explain why gravity acts differently across the Universe
Einstein’s theory of gravity may behave slightly differently across distances of billions of light-years, with gravity appearing about…