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.

Two months aboard Antarctic icebreaker in less than five minutes

Time-lapse video of icebreaker traveling through Antarctic seas. Two months of sequences, condensed into less than five minutes. Enjoy the penguin ending ...

Billion-year-old water found in reservoir under Ontario

Researchers don't know yet whether anything has been living in the water, which has been out of contact with Earth's atmosphere for over a billion years.

Hello spring! Best flower photos from around the world

Henri Matisse said, "There are always flowers for those who want to see them." Thank you EarthSky friends for seeing them and sharing your images with us!

Severe storms kill at least 6 people in Texas

Severe storms struck in north and east Texas yesterday. At least 6 dead with over a hundred injuries in the town of Granbury. Mile-wide tornado north of Vista.