Millions of fake universes clarify how black holes grow
Black holes are surrounded by a mysterious, invisible layer—the event horizon—from which nothing can escape, be it matter, light, or information.
The event horizon swallows...
Ghost light among galaxies stretches far back in time, finds NASA study
In giant clusters of hundreds or thousands of galaxies, innumerable stars wander among the galaxies like lost souls, emitting a ghostly haze of light.
Caltech will launch space solar power technology demo into orbit
Space solar power provides a way to tap into the practically unlimited supply of solar energy in outer space, where the energy is constantly...
This gamma-ray burst challenges theories about cosmic explosions that make gold, uranium and other...
A bright flash of gamma rays from the constellation Boötes that lasted nearly one minute came from a kilonova, as we described in a...
Comet impacts could bring life ingredients to Jupiter’s moon Europa
Comet strikes on Jupiter’s moon Europa could help transport critical ingredients for life found on the moon’s surface to its hidden ocean of liquid...
Earth can regulate its own temperature over millennia, shows study
Earth has a "stabilizing feedback" mechanism that acts over hundreds of thousands of years.
The Earth's climate has undergone big changes, from global volcanism to...
Machine learning reveals how black holes grow
As different as they may seem, black holes and Las Vegas have one thing in common:
What happens there stays there – much to the...
How to discover life on Saturn’s icy moon Enceladus
Surrounded by a vast ocean underneath a thick ice shell, Enceladus is a hot candidate for potentially harboring alien life.
A team of researchers...
Webb telescope sees through dust to find young stars
Images from NASA’s James Webb Space Telescope contain telltale signs of two dozen previously unseen young stars about 7,500 light years from Earth, say...
Scientists detect an exoplanet spiraling to its doom around an aging star
For the first time, astronomers have spotted an exoplanet whose orbit is decaying around an aging star.
The doomed world appears destined to spiral closer...