Brazil lab targeted by animal rights activists who freed beagles permanently shuts down
UN: Carbon dioxide pollution levels at record high, chief gas warming Earth's atmosphere
In Boston, helping marathon bombing amputees walk again is this family's business
US, Israel lose UNESCO voting rights after missing deadline over debt linked to Palestinians
SC fossil collectors dream: Obsession, passion and now a museum at the College of Charleston
India launches its first mission to Mars in step toward space travel
Nation's report card: Record high scores in math, reading, but more work ahead for school kids
Ten years have flown by, yet time has been kind to one of the most popular holiday movies, "Love Actually."
Mass. judge rejects media bid to unseal search warrant documents in math teacher's slaying
US to lose decision-making vote at UNESCO over arrears linked to Palestinian membership
For the first time in 80 years, scientists are posting equipment at the peak of the Washington Monument to measure the obelisk's height.
Maryland public school students have scored above national averages in a national assessment.
Decades-old styrofoam continues to blight the Anacostia River and now the District is considering a ban on the ubiquitous foamy plastic.
A national assessment shows Virginia fourth-graders' reading and math skills are continuing to improve
Southern California sky, and Twitter, light up with reported fireball, most likely meteor
Clarification: Deadly Seawater Bacteria story
Glance: Average 4th and 8th grade math and reading scores by state for 2011, 2013
Minnesota man controls over 40 miles of caves, enjoys seeing 'what's around the next corner'
Public gets first glimpse at new species of dinosaur discovered in southern Utah
Study says there are billions of Earth-like, just-right planets out there