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On January 16, 1909, a team of Antarctic explorers thought they’d found the magnetic south pole. Then, a few years later, they began to have doubts.
An iceberg the size of Delaware is set to calve from Antarctica’s Larsen C ice shelf. Only about 12 miles (19 km) still connect the ice chunk to the rest of the continent.
A year ago, the equatorial Pacific was pulsing with heat, due to one of the most intense El Niños on record. But the current La Niña has been relatively quiet.
Think chickens are clueless? Not so, says a new study. Instead, chicken intelligence is underestimated.
Snap a pic, and the (free) Merlin Bird Photo ID app will identify the bird. Once downloaded, it can go anywhere bird-watchers go, even places without cell service or Wi-Fi.
The hole is gigantic and facing Earth’s way. Possible aurora sightings at the latitude of the northern U.S. – for example, in Michigan or Maine – on January 4 and 5.
Photos from the EarthSky community of brightly-colored ice clouds in Earth’s stratosphere. They began showing up at high latitudes late last week and this weekend.
Happy birthday January babies! Your birthstone is the garnet.
This video from NASA shows the path across the U.S. of the August 2017 solar eclipse.
The U.S. state of Nevada experienced several moderately strong earthquakes and multiple aftershocks, beginning just after midnight local time Wednesday morning.
Take a few minutes to enjoy these images of our planet taken by astronauts aboard the International Space Station.
Pine, spruce, and fir trees – Christmas tree favorites – produce chemicals called terpenes, which give them their special, distinctive scent.
Video shows the beautiful and efficient mechanism that tiny starfish larvae use to swim, feed and grow.
Photos from EarthSky community members around the world, showing what this week’s solstice – bringing winter to half of Earth, and summer to the other half – meant to them.
December solstice 2016 arrives on December 21 at 10:44 UTC. High summer for the Southern Hemisphere. For the Northern Hemisphere, the return of more sunlight!
At Earth’s South Pole, high noon comes only once a year, on the December solstice. Meanwhile, the North Pole is getting its only midnight.
A satellite view of how sunlight falls on Earth’s surface during the solstices and equinoxes illustrates how our planet’s tilt causes a change in seasons.
December solstice sunrise comes at the same time for St. Augustine, Florida and New York City. But St. Augustine has an hour more of daylight than New York. Here’s why.
ESA’s Swarm satellites have discovered a jet stream in the liquid iron part of Earth’s core, nearly 2,000 miles (3000 km) below the surface.
Are you dreaming of a white Christmas? Here’s the historic probability for one, in the U.S.
Look for Cassiopeia and the Big Dipper