Astronomy
Is the Search for Dark Matter an Act of Faith?
In an underground laboratory, the talk turns to religion.
The 315-Year-Old Science Experiment
How counting sunspots unites the past and future of science.
Possible Detection of a Black Hole So Big It ‘Should Not Exist’
At stake are fundamental ideas about how black holes form—and a six-way bet.
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.”
