Enjoying EarthSky? Subscribe.

102,675 subscribers and counting ...

Earth

Old Faithful geyser in Yellowstone
Blogs | Apr 07, 2014

Earthquakes in Yellowstone: ‘Elevated but not unusual’

Heard about the recent earthquakes in Yellowstone? How about that video of bison fleeing the park? Does it mean the supervolcano is about to blow? No, and here’s why.

Photo by Alexander Semenov
Blogs | Photos | Apr 07, 2014

Astounding photos of marine worms, some previously unknown to science

Alexander Semenov photographed 222 different worm species, which are now in the process of being studied and documented by scientists. See photos.

Tungurahua volcano April 4, 2014 via AP
Blogs | Apr 05, 2014

Throat of Fire volcano in Ecuador erupts explosively

A five-minute explosion from Tungurahua volcano shot hot gas and rock 6 miles (10 km) into the air on April 4, 2014. More explosions and tremors followed.

Photo credit: davy liger
Science Wire | Apr 03, 2014

Why do zebras have stripes? To keep bugs off, says study

Researchers say they’ve solved the riddle of why zebras have stripes: The stripes act like insect repellant, keeping away blood-sucking flies, say researchers.

7.6-magnitude earthquake April 3, 2014
Blogs | Apr 03, 2014

Another powerful earthquake rocks northern Chile

For the second time in two days, a powerful earthquake has struck Chile. Today’s quake was 7.6 magnitude. It’s considered an aftershock of the 8.2-magnitude quake on April 1.

Tsunami travel times
Science Wire | Apr 03, 2014

Video: April 1 tsunami moving across Pacific

Near real-time animation of the tsunami that resulted from the April 1 earthquake off northern Chile. Amazing to see the waves move across the Pacific

Location of the 8.0 Earthquake on April 1, 2014. Image Credit: USGS
Blogs | Apr 01, 2014

Tsunami warning issued after 8.2 quake in Chile

A 8.2 earthquake struck off the coast of Peru. Tsunami warnings have been issued for Chile, Ecuador, and Peru.

Clepsydra Geyser in Yellowstone National Park
Science Wire | Apr 01, 2014

Will the Yellowstone supervolcano erupt in your lifetime?

The supervolcano under Yellowstone Park is one of the biggest in the world. When will it erupt again? This NFS scientist doesn’t think it’ll happen anytime soon.

Image Credit: NASA
Science Wire | Apr 01, 2014

Are microbes responsible for Earth’s largest mass extinction?

Around 250 million years ago, 90 percent of Earth’s life was wiped out. The cause, new research suggests, wasn’t asteroids, or volcanoes, but methane-spewing microbes.

diamond
FAQs | Apr 01, 2014

What’s the birthstone for April?

April’s birthstone, the diamond, is a symbol of enduring love.