News in Brief
A preliminary report questions the anti-Alzheimer�s activity of a cancer-fighting drug.
For Daily Use
A gas-sensing ingestible capsule tested in pigs could someday help doctors assess people�s gastrointestinal health.
The otherwise well-studied white-tailed deer turns out to carry the first malaria parasite discovered in any deer.
Named for Johnny Cash, a new species of tarantula makes its home in the shadow of Folsom Prison.
Genetically modified foods have been studied extensively and are abundant on supermarket shelves, but they haven�t managed to end world hunger yet.
Private-sector firms are creating nuclear fusion machines that may beat governments to the punch.
News in Brief
A planet roughly half the size of Neptune might be 100 percent rock, making it the largest known rocky world.
50 Years Ago
The first spacecraft to safely land on the moon touched down on the lunar surface in 1966.
A rising plume of hot rock from Earth�s mantle may not be responsible for the Yellowstone supervolcano, new research suggests.
A star�s flickering light and century-long dimming have astronomers hunting for exocomet storms, prowling dust clouds and even alien engineers.
Phytoplankton populations in the Indian Ocean fell 30 percent over the last 16 years largely due to global warming, new research suggests.
After blazing through Brazil, a mosquito-borne virus called Zika, which may cause birth defects, is now poised to jump to the United States.
A giant planet in the far outer solar system could explain orbital oddities of bodies in the fringes of the Kuiper belt.