Double Cosmic Explosion Gives Birth to Unprecedented ‘Superkilonova’
When massive stars die, they go out in fiery explosions called supernovas. On rarer occasions, two nearly dead…
Daylight Savings Time Is So Bad, It’s Messing With Our View of the Cosmos
Tracking gravitational waves—invisible ripples in space-time from intense astronomical events—pushes the limits of what astronomers must do to…
Unusual Gravitational Wave May Be Sign of Wormhole Linking Universes
In 2019, LIGO and Virgo recorded something truly bizarre – a gravitational wave event less than a tenth…
Astronomers Detect a Black Hole Merger That’s So Massive It Shouldn’t Exist
Gravitational waves—ripples in space-time caused by violent cosmic events—travel at the speed of light in every direction, eventually…