The spiky filaments of a zombie star shed light on a 12th-century supernova
About 7,500 light years from Earth lurks a zombie star cloaked in long tentacles of hot sulfur. No one knows […]
A materials scientist seeks to extract lithium from untapped resources
Electric vehicles promise to help us move away from fossil fuels, but they present a new problem: how to get
Fire-prone neighborhoods on the fringes of nature are expanding rapidly
People are flocking to the threshold of nature and the territory of fire. Homes built where human development meets undeveloped
Dietary evidence reinforces the reputation of Clovis hunters as mammoth killers
The ancient North Americans are increasingly looking like experienced mammoth killers. Archaeologists have long debated whether the Clovis people, who
A cosmic census triples the known number of black holes in dwarf galaxies
A colossal census of the cosmos has more than tripled the number of active black holes known to inhabit miniature
How did dark matter form the universe? This physicist has ideas
At the age of 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how many
22 pesticides show link to prostate cancer
Nearly two dozen pesticides are linked to an increased risk of prostate cancer in the United States, researchers report Nov.
Proposed time limits for anesthesia may have compromised patient safety
After a public outcry, Anthem Blue Cross Blue Shield announced Dec. 5 that it had dropped plans that would have
Uranus may have looked strange when NASA’s Voyager 2 flew by
Some of the apparent quirks of Uranus may be due to bad timing. In 1986, the Voyager 2 spacecraft flew
X-rays from nuclear explosions can protect Earth from asteroids
An asteroid heading toward Earth can be deflected without ever touching a spacecraft. The trick is to use X-rays to