Enjoying EarthSky? Subscribe.

115,485 subscribers and counting ...


Sliding stone at Racetrack Playa via Chris Tinker
Science Wire | Sep 01, 2014

Death Valley sliding stone mystery solved

Watch the video in this post, and become one of the first people on Earth to see the famous sliding stones of Death Valley’s Racetrack Playa in motion.

Science Wire | Sep 01, 2014

Lava at Iceland volcano, with what’s left of Hurricane Cristobal

“Just amazing to think of the heavy winds and rain in Iceland, falling on the lava fountains … ” – Ben Orlove

Image Credit: Wikipedia
FAQs | Sep 01, 2014

What’s the birthstone for September?

September’s birthstone, the sapphire, was said to represent the purity of the soul.

Image credit: Christine Daniloff/MIT
Science Wire | Aug 28, 2014

Snowfall ahead in a warmer world, says study

An MIT study finds big snowstorms will still occur in the Northern Hemisphere despite global warming.

Screen Shot 2014-08-27 at 4.47.33 PM
Science Wire | Aug 28, 2014

Report: Summer ozone to get much worse in next 35 years

A new report warns of a 70% increase in the number of days with unhealthy summertime ozone levels by the year 2050.

Science Wire | Aug 27, 2014

Yellowstone supervolcano would cover North America in ash

It’s highly unlikely a supervolcano will erupt at Yellowstone National Park. But, says a new study, if one did, volcanic ash would cover North America.

Photo credit: Lisa Grossman/New Scientist
Blogs | Videos | Aug 26, 2014

Testing a space rover under Alaskan ice

Scientists test a device on an Alaska glacier that could be used to explore an icy moon of Jupiter.

Blogs | Aug 25, 2014

Are tornado outbreaks on the rise?

A new study has found that dangerous tornado outbreaks in the U.S. are on the rise.

Science Wire | Aug 24, 2014

Strong 6.0-magnitude earthquake rocks San Francisco Bay area

Strong earthquake struck San Francisco Bay area early on August 24, 2014. Power outages, moderate damage across region, closed highways, serious injuries, no deaths.

Photo credit: Bonnie J. McCay
Blogs | Aug 22, 2014

A trip down Canada’s Iceberg Alley

It’s been a banner year for iceberg sighting in Iceberg Alley, the area off northeastern Newfoundland where the Titanic struck an iceberg and went down in April, 1912.

Photo via University Herald
Science Wire | Aug 21, 2014

Researchers find life beneath half a mile of Antarctic ice

The discovery of bacteria in a lake under 800 meters of ice suggest the possibility that similar life might exist elsewhere in our solar system.

Photo credit: David Hughes/Penn State
Science Wire | Aug 21, 2014

Zombie ant fungus kills its hosts on doorstep of ant colony

A zombie ant fungus must kill its ant host outside the ant colony, in order to to reproduce and transmit its infection, new research shows. But not far outside.

Blue hour by Daniel McVey
FAQs | Photos | Aug 21, 2014

What is the blue hour?

The blue hour – when the sun is some distance below the horizon, when the sky is deep blue and the landscape is suffused with bluish light – is a good time to take photos.

Portland, Maine on Aug. 13, 2014 via Kevin Burns
Blogs | Aug 20, 2014

Unusual precipitation patterns in the U.S.

Some extreme rainfall events of August 2014. Extreme rainfall in the context of urban sprawl.

Image Credit: Lebrac
Blogs | Aug 19, 2014

Lifeform of the week: Brain mushroom

The brain mushroom is that rare species with the distinction of being both edible and poisonous.

This is a reconstruction of the Burgess Shale animal Hallucigenia sparsa. Image credit: Elyssa Rider
Science Wire | Aug 19, 2014

Bizarre-looking fossil has finally been identified

This strange fossil – a worm-like creature with legs, spikes and a head that’s difficult to distinguish from its tail – has been linked with a group of modern velvet worms.

This is not Baroarbunga, but it's what a volcano that's spewing a lot of ash into the atmosphere looks like.  Image via Aviation Safety Institute
Blogs | Aug 18, 2014

The risk of an exploding glacier is heating up in Iceland

Icelandic Meteorology Office closely monitoring Bárðarbunga, a volcano more than 2,000 meters in elevation, located beneath the country’s largest glacier. Aviation code now back down to orange.

Blogs | Aug 18, 2014

2014 Gulf of Mexico dead zone has grown to 5,052 square miles

Scientists head out to the Gulf of Mexico every summer to measure the size of the dead zone—an area with oxygen levels that are too low to support most marine life.

Photo credit: Mike Quinn
Science Wire | Aug 17, 2014

How to see a green flash

It’s said that once you’ve seen a green flash, you’ll never go wrong in matters of the heart. Here’s all you need to know … plus great pics.

Screen Shot 2014-08-13 at 1.07.15 PM
Science Wire | Aug 13, 2014

The Great Pacific Garbage Patch explained

In light of the sheer physical enormity of the Great Pacific Garbage Patch and the complexity of its causes, what can we possibility do about it?

Science Wire | Aug 13, 2014

Video: It’s giant panda triplets!

They are the world’s only known surviving set of giant panda triplets, born at a zoo in southern China. All three are adorable … and expected to survive.