Rebecca Boyle
As Planet Discoveries Pile Up, a Gap Appears in the Pattern
Astronomers are puzzling over a paucity of planets in the galaxy measuring between 1.5 and two times Earth’s size.
How Nearby Stellar Explosions Could Have Killed Off Large Animals
A new study suggests that subatomic particles called muons streamed through the atmosphere and fatally irradiated megafauna like the monster shark megalodon.
