AstrophysicsJanuary 26, 2023
Should You Really Worry about Solar Flares?
The sun is unleashing powerful outbursts that could strike Earth, but these events are far more common—and much less worrisome—than some hyped headlines suggest
Stories by Ed Browne
Ed Browne is a freelance journalist based in the U.K.
EpidemiologyJanuary 10, 2023
Why COVID’s XBB.1.5 ‘Kraken’ Variant Is So Contagious
A new variant of the virus that causes COVID has mutations that make it more transmissible, but vaccines are still likely to protect against severe disease