Mastodons and camels: Scientists resume digging at the La Brea Tar Pits in Los Angeles
Crop scientist awarded 2014 World Food Prize for work developing disease-resistant wheat
Senate Democrats call on 4 Republican EPA chiefs to help press case on climate change
Obama, entrepreneurs, students check out innovations such as 17-foot electric giraffe
Colorado woman sues California company, says she got salmonella from chia powder
From billions to zero: Humans killed off passenger pigeons but may try to bring them back
Environmental group sues federal government, seeking legal protection for Kirtland's snake
Survey finds significant decline in blackbird species found mostly in Central California
Brownback says groups' lawsuit over prairie chicken is attempt to stifle energy, agriculture
In surprising truce, antagonists agree to ban plastic 'microbeads' pouring into Great Lakes
Robots are becoming more and more a part of our lives. The New York Times recently reported worries of killer robots are on the rise.
Lots of statistics, less reality as both sides debate Obama power plant rules
You've been cutting your cake all wrong. Watch a video about the best way to do it.
As the National Zoo prepares to close its Invertebrate Exhibit, WTOP decided to take a look at what visitors will be missing once these creatures are relocated.
Groups challenge latest federal plan for making Columbia dams safer for salmon
Feds block drilling on 400,000 acres in Colorado, Utah to protect threatened bird species
New twister on tornado risk: Florida, Southeast have highest death rates per mile, study shows
Medical speed-dating: Novel study will match lung cancer drugs to patients' gene profiles
Washington unions back businesses in fight over fish consumption, water quality
Peru displays 2,000-year-old pre-Incan shroud, among first items recovered from Swedish museum
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