New method for producing clean hydrogen

Engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental implications.

Great white sharks supplement a seal diet with dead whales

Great white sharks, apex ocean predators, are also mega scavengers of the largest of ocean carrion, dead whales.

Official death toll lowered in Moore, OK tornado tragedy

Officials have lowered the death toll to 24 confirmed deaths and hundreds of injuries from the massive tornado that struck Moore, Oklahoma yesterday.

What are the 10 deadliest U.S. tornadoes?

These are the 10 deadliest U.S. tornadoes since 1900.

Compressing air for renewable energy storage

Study identifies two compressed air energy storage methods and sites for the Northwest.

Invasive ladybugs: Secrets of their success

The harlequin ladybug gets a leg up on the natives with the aid of a parasitic fungus.

Incredible videos and photos of tornadoes in central U.S. May 18-19

Videos and photos of tornadoes that pushed through the central U.S. this past weekend. Warning: some are graphic. More severe weather expected today.

Chris Zahm: Understanding and probing the world below our feet

Necessary resources such as oil and water lie below our feet. How today's scientists are coming to understand the world underground, while exploring for resources in safe, practical and effective ways.

Beautiful flowers self-assemble in a beaker

Elaborate nanostructures blossom from a chemical reaction perfected at Harvard.

Granbury, Texas tornado rated EF-4. Sixteen May 15 tornadoes confirmed so far

A preliminary overview of at least 16 tornadoes that struck parts of northern and eastern Texas on May 15, 2013.