Squeezing sponges out of an evolutionary 'first,' DNA study points to jelly-like creatures
NOAA: Arctic gets breather from pell-mell warming in 2013, but long-term problems persist
China's lunar rover separates from lander after first soft landing on moon in nearly 4 decades
Geminid meteor shower ramps up Friday night, bright moon will put best viewing at predawn
Ex-MIT president Charles M. Vest, who led initiative to offer free classes online, dies at 72
Prince William County police say dozens of blackbirds were found dead along a Nokesville Road and authorities are investigating the cause.
If the sky stays clear overnight Friday, we will enjoy the peak time for what I think is the best meteor shower of the year, the Geminids.
Alan Alda-sponsored contest asks scientists to explain to 11-year-olds: What is color?
Your guide to the 2013 Nobels in literature, chemistry, physics, medicine, peace and economics
Tons of fossilized oyster shells are headed to Maryland's Eastern Shore to help rebuild habitat in oyster sanctuaries.
Got the chills yet? Invasive cockroach found in NYC can withstand harsh winter cold
NASA suspects valve for space station trouble, astronauts safe but some equipment shut down
European spacecraft is headed for a landing on a comet next year; 'Nobody has ever done this'
Rest In Pieces Comet ISON: Astronomers say the great ice hope broke apart in brush with sun
NASA rover Curiosity finds ancient Martian freshwater lake that may have supported life
Astronauts not in danger, but NASA looking into cooling pump problem on space station
You think you're feeling cold? Satellite finds Antarctica set Earth record low of 135.8 below
Pa. students' robotic arm can make you stronger; part of emerging research in exoskeletons
Climate change has become synonymous with melting glaciers and blazing summer months, but there is one very small casualty of global warming that isn't front page news: butterflies.
Taking pictures is often thought of as a way to remember an event, but a new study shows people have a worse memory of objects when they snap photographs of them.