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 […]
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
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
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
Storms ignite a ‘boiling pot’ of gamma rays
Above the cloud tops, storms blow with a complex and frenetic light show of high-energy radiation. A view from a
The world’s largest coral was discovered in the South Pacific
Off the coast of the Solomon Islands lurks a centuries-old creature that’s so big it can be seen from space.