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Editors of EarthSky

Astronomers find odd gas giant exoplanet traveling far from its star

The planet is about 2,000 times the Earth-sun distance from its star, a record among exoplanets. That means it takes about 80,000 Earth years for the planet to orbit its star.

Report: No radiation from Fukushima detected off US West Coast

No ocean-borne radiation from Japan’s Fukushima nuclear power plant disaster has yet been detected in analysis of kelp samples along the western U.S. coastline.

Magnetars are the most powerful magnets in the universe

Magnetars are the bizarre super-dense remnants of supernova explosions and the strongest magnets known in the universe.

Watch two neutron stars rip each other apart to form a black hole

This supercomputer simulation from NASA shows one of the most violent events in the universe: Two neutron stars ripping each other apart to form black hole.

Why is West Antarctic ice sheet in irreversible decline?

New studies say that part of the West Antarctic Ice Sheet is now undergoing an "irreversible" decline. The science behind the news, from NASA

New plastics heal themselves

Researchers have developed a regenerating plastic that grows back after damage.

Most detailed view yet of Milky Way’s magnetic fields

Researchers have created a new map of the Milky Way's magnetic fingerprint, the magnetic fields that shape our galaxy.

The best-observed X-flare in history

NASA says the March 29, 2014 X-flare was the best-observed in history. This post contains beautiful images of that intense event on the surface of the sun.

This is cool! Watch a realistic virtual universe unfold

If astronomers had used an average desktop computer to run the new Illustris simulation, the calculations would have taken more than 2,000 years to complete.

Our sun now has a brother star, the first one ever found

These astronomers say there's a “small, but not zero” chance that brother stars to our sun could host planets that harbor life.