Where Do High-Energy Cosmic Rays Come From? A Star’s Last Gasp
Researchers compiled data from several telescopes to show that explosive stellar death can generate some of the fastest particles in the universe. ..
Researchers compiled data from several telescopes to show that explosive stellar death can generate some of the fastest particles in the universe. ..
Standardized time is broadcast by satellite networks around the world, but their signals are vulnerable to interference—so the UK is building a more ..
The US-led Artemis Accords attempt to update regulations for space exploration—but they raise questions about equity and resource use. ..
Two Spanish towns have built a network of towers that douse surrounding trees with recycled water—stopping fire in its tracks. ..
For every person paralyzed, hundreds or thousands could be infected. It’s a setback for the long-overdue plan to eradicate the virus from the world. ..
In much of the US, donors aren’t obliged to disclose potentially inheritable health conditions. A proposed law could change that. ..
As students return to school, many will find restricted campus access to abortion services and information—and perhaps reproductive care in general. ..
White spruce trees are expanding into the Arctic tundra with stunning speed, with potentially serious consequences both for the region and the world. ..
The solutions to Einstein’s equations that describe a spinning black hole won’t blow up, even when poked or prodded. ..
If everyone biked as much as the Dutch, we could cut nearly 700 million metric tons of carbon dioxide a year—the equivalent of most of Germany’s emissions. ..