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Editors of EarthSky

Probing the magnetar at the center of our galaxy

A new study analyzes pulses of radio waves coming from a magnetar - a rotating, dense, dead star with a strong magnetic field - located near the supermassive black hole at the heart of the Milky Way.

Dark matter on the move

New evidence suggests that dark matter - the mysterious stuff that makes up a significant percentage of the universe's mass - can heat up and move around.

More East Antarctica glaciers are waking up

Researchers have said that Totten Glacier, a behemoth with enough ice to raise sea levels by 11 feet (3.4 meters), appears to be melting. Now, they say 4 glaciers west of Totten, and a handful farther east, are also losing ice.

Pluto craft to encounter Ultima Thule

New Horizons is the spacecraft that sent back those amazing images of Pluto in 2015. Ultima Thule is its next target, a billion miles beyond Pluto. The encounter is New Year's Day, but start watching now!

Eureka! Astronomers find a Big Bang fossil

Only 2 other fossil clouds are known in our universe, and both were serendipitous discoveries. Then astronomers began searching for these rare relics, and found one!

What are your chances for a white Christmas?

For people in the continental United States, here’s your historic probability of getting a white Christmas in 2018.

Tiny droplets of early universe matter created

Researchers have created tiny droplets of the ultra-hot matter that once filled the early universe, forming 3 distinct shapes and sizes: circles, ellipses and triangles

Another El Niño on the horizon?

The World Meteorological Organization has said there's a "75–80% chance" of a fully-fledged El Niño event by February, 2019. Click in for a good video from ESA describing El Niños and their global effects.

Watch geckos race on water!

Geckos are renowned for their acrobatic feats on land and in the air. Turns out they can also run on water.

Thousands of globular star clusters scattered between galaxies

Peering into the heart of the giant Coma cluster of galaxies, the Hubble Space Telescope captured a whopping 22,426 globular star clusters scattered among the Coma cluster's 1,000 galaxies.

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