Astronomy
Big Black Holes Found in the Smallest Galaxies
Tiny, dim “dwarf” galaxies have been found to hide gas-spewing black holes.
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.”
