Astronomy
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.
Juno Unveils Jupiter’s Secrets
The NASA mission has turned our knowledge of Jupiter “upside down.”
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.
The Woman Who Reinvented the Moon
A MacArthur “genius grant” winner writes a new lunar origin story.
Our Attitude Toward Aliens Proves We Still Think We’re Special
Why we downplay Fermi’s paradox.
