Right mix of conditions brewed tornado outbreak

Dry, cool air mixed with warm moisture, add in heat, and deadly tornado outbreak is cooked up

Friday - 05/02/2014, 02:22pm EDT

TVA: Watts Bar set for December 2015 completion

TVA: Watts Bar nuclear plant set for completion in December 2015, systems ready for testing

Friday - 05/02/2014, 11:40am EDT

D.C. named one of the 10 most polluted cities in U.S.

D.C. is credited with being one of the greenest cities, one of the healthiest cities and one of the wealthiest cities. But it's also one of the most polluted cities.

Friday - 05/02/2014, 06:51am EDT

Scientists urge delay in destroying last smallpox

Countries prepare to debate destroying last smallpox stocks; US officials say still too soon

Friday - 05/02/2014, 05:10am EDT

Unique floating lab showcases 'aliens of the sea'

Unique floating lab decodes gene blueprint of 'aliens of the sea,' seeks clues on regeneration

Thursday - 05/01/2014, 06:50pm EDT

Boat found in Washington might be tsunami debris

Authorities investigate whether small boat found on Washington beach is tsunami debris

Thursday - 05/01/2014, 02:52pm EDT

Newly arrived virus spreads in Dominican Republic

Recently arrived mosquito-borne chikungunya virus spreads widely in Dominican Republic

Thursday - 05/01/2014, 01:46pm EDT

GO FIGURE: Pensacola rain more than LA in 2 years

GO FIGURE: Storm dumps 17 inches of rain on Pensacola, more than Los Angeles got in 2 years

Thursday - 05/01/2014, 04:44am EDT

Man pleads not guilty to stealing dinosaur print

Utah man charged in theft of priceless dinosaur footprint pleads not guilty

Wednesday - 04/30/2014, 08:25pm EDT

Cloning approach makes diabetes stem cell advance

With cloning technique, scientists create insulin-making cells bearing DNA of diabetic woman

Wednesday - 04/30/2014, 08:20pm EDT

Antarctic prime spot for Tuesday's solar eclipse

Antarctic prime spot for Tuesday's solar eclipse, ring of fire will grace southernmost skies

Wednesday - 04/30/2014, 07:14pm EDT

3 businesses near Wyoming slide allowed to reopen

3 businesses cleared to reopen as Wyoming landslide movement slows significantly

Wednesday - 04/30/2014, 04:57pm EDT

Feds spend $236M to help landowners protect grouse

Federal government spent $236 million to help landowners preserve sage grouse habitat

Wednesday - 04/30/2014, 02:03pm EDT

Speed reading apps impair comprehension: Study

New research shows speed reading apps limit the body's ability to backtrack, an eye movement crucial to reading comprehension.

Wednesday - 04/30/2014, 05:18am EDT

Outside lab asked to review Hanford vapor problem

South Carolina lab asked to review vapor problem at Hanford Nuclear Reservation in Washington

Tuesday - 04/29/2014, 12:20pm EDT

Review: Garfield-Stone chemistry saves Spidey 2

Film review: Only Andrew Garfield-Emma Stone chemistry keeps overstuffed Spidey sequel alive

Tuesday - 04/29/2014, 03:12am EDT

On the auction block: Tour of the National Zoo panda house

Get your bids ready -- the Friends of the National Zoo is auctioning off the chance to tour the panda house and get up close and personal with Bao Bao and her family.

Monday - 04/28/2014, 10:18pm EDT

Yurok Tribe to release condors in California

Yurok Tribe signs agreements to release 1st captive-bred condors to California's Redwood Coast

Monday - 04/28/2014, 07:34pm EDT

Scientists want to breed fish to be better biters

Experiment to settle whether wild steelhead are really better biters than hatchery steelhead

Monday - 04/28/2014, 07:34pm EDT

Orphaned bear cub breaks hearts in Nevada (Video)

After rescuing an orphaned bear cub, an animal rehabilitation center in Lake Tahoe is sharing the critter's progress in unbearably sweet videos and photos.

Monday - 04/28/2014, 01:05pm EDT
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