Swirling around our galaxy’s central supermassive black hole, these objects share properties with both stars and gas clouds
Pinning down the ring system’s age has profound implications for the entire Saturnian system
A flash of light during last weekend’s total lunar eclipse sparks a search for a new lunar crater
The Astro 2020 Decadal Survey kicks off amid turmoil and uncertainty
Fuelled by El Niño and land-management blunders, fires consume precious habitat.
Animals may not be able to predict earthquakes, but many—from elephants to spiders—are quite adept at detecting vibrations that are imperceptible to humans.