News
- Physics
Black holes born with magnetic fields quickly shed them
New computer simulations show one way that black holes might discard their magnetic fields.
- Earth
Greece’s Santorini volcano erupts more often when sea level drops
During past periods of lower sea levels, when more of Earth’s water was locked up in glaciers during ice ages, the Santorini volcano erupted more.
- Astronomy
A super-short gamma-ray burst defies astronomers’ expectations
A faraway eruption of gamma rays that lasted for only a second had a surprising origin: the implosion of a massive star.
- Health & Medicine
New delta variant studies show the pandemic is far from over
The coronavirus’s delta variant is different from earlier strains of the virus in worrying ways, health officials are discovering.
