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.

Astronaut Chris Hadfield on how to take pictures from space

In this video, ISS Commander Chris Hadfield shares his techniques of taking pictures of the Earth from space.

Higher than normal wildfire activity expected for western US in 2013

Higher than normal wildfire activity is expected across the U.S. West Coast, the Southwest and portions of Idaho and Montana during the summer of 2013.

Human disease leptospirosis identified in new species in Africa

The newest public health threat in Africa, scientists have found, is coming from a previously unknown source: the banded mongoose.

Cooler spring weather does not equal a cooling climate

It's not uncommon to see pockets of unusually cold air in a warming world. Why? Because weather does not equal climate.

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