Precise combination of factors create Okla. killer tornado with power of many Hiroshima bombs
Tunisia: Man back from Saudi Arabia dies from coronavirus, 2 children treated and recovered
NASA rover Curiosity drills into second Martian rock; prepares to study it in detail
Mice and lizards return from a month in space aboard an orbiting Russian capsule
When is it OK for wunderkinds to drop out of school? (Hey, it worked for Tumblr's founder!)
Scientists: Unlike hurricanes and nor'easters, tornadoes show no clear link to global warming
After days on pins and needles, chilled Mass. sea turtles recovering with help of acupuncture
In unusual pattern, Oklahoma tornado tracked path of 1999 monster twister with record winds
Report: 87 shipwrecks, most from WWII, could leak oil near US, but no 'ticking time bombs'
Could honeybees save Europe from land mines? Croatian scientists think so
Silicon Valley-area city becomes factory town again, with help of high-tech manufacturing
Thailand urged to explore edible insect market to cope with global food demands
Forget the fire ant. It's time to worry about "crazy ants," according to researchers at The University of Texas at Austin.
FBI says no arrests in Wash. ricin letter case, but releases few details on investigation
An 18-year-old has developed a tiny device that fits inside cellphone batteries and charges a phone in 20 to 30 seconds.
A new patent filed by Colgate-Palmolive aims to make this hygienic step pack more punch by offering caffeine, pain relief or appetite suppressants.
Caribbean political, business leaders meet on Branson's private island to discuss conservation
Correction: Space Station-Star Trek story
NASA: New pump vanquishes space station ammonia "gusher," jury still out on little leak
Contrary to popular belief (and fear), cellphones may not cause brain cancer.