Enjoying EarthSky? Subscribe.

143,166 subscribers and counting ...


Science Wire | Mar 26, 2015

Super salamander that nearly ate your ancestors

Metoposaurus algarvensis, aka toilet jaws, was all over our early ancestors. The thing that got us off the hook? A big hot interception 200 million years ago.

Svalbard Global Seed Vault, 800 miles from the Noth Pole.  Image via Norway's Ministry of Agriculture and Food.
Science Wire | Mar 25, 2015

‘Seeds of Time’ to hit theaters in May

A new documentary film tracks the history and mission of the Svalbard Global Seed Vault – sometimes called the Doomsday Vault – and its founder Cary Fowler.

Science Wire | Mar 24, 2015

Highest and lowest points on Earth

Ever wonder how high the highest points on Earth are, in contrast to the deepest manmade boreholes and ocean trenches? Check out this fascinating infographic.

Photo credit: Mopic / Alamy/Alamy via The Guardian
Science Wire | Mar 24, 2015

Largest asteroid impact zone in Australia

Scientists believe a huge impact scar, hundreds of miles wide, came from an asteroid that broke in two moments before slamming into the central Australian outback.

Antarctic and Arctic ice floes are a rich source of life and mic
Blogs | Mar 22, 2015

Surprise! Arctic sea ice record winter low

2015 Arctic sea ice maximum lowest measured since records began being kept in 1979. Maximum took place in February, 15 days earlier than the 1981-2010 average.

Image via Wikipedia
FAQs | Mar 20, 2015

Why aren’t day and night equal on the day of the equinox?

On the day of the equinox, the center of the sun would set about 12 hours after rising – given a level horizon, as at sea, and no atmospheric refraction.

"Supermoon total eclipse of equinox sun on march 20, as seen from Lisbon, Portugal - Canon EOS 7D, Sigma 70_300mm 1:4-5.6 DG / black polymer sheet filter" by Henrique Feliciano Silva
Science Wire | Mar 20, 2015

See it! Best photos of March 20 solar eclipse

Awesome photos of the March 20 solar eclipse, by EarthSky Facebook and G+ friends lucky enough to see it, and kind enough to share their pics.

Photo credit: Jane Wildoner
Science Wire | Mar 20, 2015

Why does Earth have four seasons?

Many believe Earth’s changing distance from the sun causes the change in the seasons. But that is not the case.

Credit: Reconstruction by Marianne Collins, ArtofFact
Science Wire | Mar 18, 2015

Extinct giant lobster bigger than a human

A 480-million-year-old fossil of a gigantic sea creature is giving paleontologists insights into the ancestors of modern-day arthropods such as lobsters and scorpions.

Photo credit: © Robert Pitman 2015
Science Wire | Mar 16, 2015

1,400+ new marine creatures identified last year

A global effort to create a consolidated inventory of all existing sea life announced the results of eight years of work.

View larger | Three-dimensional perspective view of the likelihood that each region of California will experience a magnitude 6.7 or larger earthquake in the next 30 years (6.7 matches the magnitude of the 1994 Northridge earthquake, and 30 years is the typical duration of a homeowner mortgage). Image credit: USGS
Science Wire | Mar 16, 2015

New California earthquake forecast

A new long-term earthquake forecast for California by the U.S. Geological Survey revises estimates for the chances of large earthquakes over the next several decades.

Blogs | Mar 15, 2015

El Niño has arrived, says NOAA

After months of anticipation, the NOAA Climate Prediction Center finally issued an El Niño advisory on March 5. How will it affect your weather?

B1 - famous Yamal hole in 30 kilometres from Bovanenkovo, spotted in 2014 by helicopter pilots. Pictures: Marya Zulinova, Yamal regional government's press service, via Siberian Times
Science Wire | Mar 13, 2015

New explanation for Siberia’s mystery craters

More new mystery craters reported in Russian media last month. A Russian scientist calls for “urgent investigation.” Other scientists suggest a new cause.

Photo credit: Frank Kovalchek/Flickr
Science Wire | Mar 12, 2015

Lack of snow forces Iditarod start north

Alaska’s famous Iditarod sled dog race traditionally runs from Anchorage to Nome. But this year, lack of snow forced a reroute and moved the kickoff 250 miles north.

Photo credit: Mike Keeling/Flickr
Science Wire | Mar 11, 2015

Video: Cockroaches have personalities

Some are brave and some are shy.

Image credit: The Endocrine Society
Science Wire | Mar 10, 2015

This dog can smell cancer

This is Frankie, a German shepherd mix. He can sniff out thyroid cancer in patients’ urine samples with 88% accuracy, according to a new study.

Image credit: solarimpulse.com
Science Wire | Mar 09, 2015

Solar-powered plane begins first round-the-world flight

Swiss plane Solar Impulse 2 landed Monday in Muscat, Oman, the first stopover in the attempt to fly around the world powered by the sun alone. Follow the flight.

Blogs | Mar 09, 2015

Good news! Young tortoises spotted on Galapagos island

Tortoise hatchlings spotted on the island of Pinzón last year are the first to have survived there in more than a century. Thanks to conservation efforts, tortoises are making a comeback.

Freezing rain in Kentucky. Image Credit: NWS/NOAA
Blogs | Mar 06, 2015

The science of freezing rain

The phenomenon of freezing rain: What causes the dangerous winter weather element that can paralyze cities.

Science Wire | Mar 03, 2015

Clearest pictures ever of free-falling snowflakes

Research suggests that our iconic view of snowflakes as “perfect” isn’t true.

Image Credit: Gunnar Ries
FAQs | Mar 01, 2015

What’s the birthstone for March?

March has two birthstones – the aquamarine and the bloodstone.