Astronomy
Does Dark Matter Harbor Life?
An invisible civilization could be living right under your nose.
Spark of Science
What inspired the director of the National Science Foundation to go into science?
When We Were the Cosmos
The director of the Griffith Observatory revisits the dawn of 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.