Physicists Have Created an Artificial Gamma Ray Burst in the Lab

By Matt Williams On July 2nd, 1967, the U.S. Vela 3 and 4 satellites noticed something rather perplexing. Originally designed to monitor for nuclear weapons tests in space by looking for gamma radiation, these satellites picked up a series of gamma-ray bursts (GRBs) coming from deep space. And while decades have passed since the “Vela Incident“, astronomers are still […]

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NASA Studies the Magnetosphere

By Mara Johnson-Groh The space high above Earth may seem empty, but it’s a carnival packed with magnetic field lines and high-energy particles. This region is known as the magnetosphere and, every day, charged particles put on a show as they dart and dive through it. Like tiny tightrope walkers, the high-energy electrons follow the […]

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The Mars 160 Program

By Anastasia Stepanova (translated from Russian) … And here we are flying over the uninhabited island of Devon and we observe a strange picture: in the distance below, a few white points swish. Common sense suggests: these are the most dangerous inhabitants of the Arctic – polar bears. But the closer the plane to the middle of the […]

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‘Game of Thrones’ Climate Simulator Explains Crazy Weather of Westeros

By Doris Elin Salazar If you’ve ever wondered what kind of weather Jon Snow faces as he fights against White Walkers in the hit television fantasy series “Game of Thrones,” the conditions are about the same as they are in Fairbanks, Alaska, according to a new climate simulation of the fictitious realm. Plus, dragons scorching up Westeros […]

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A Cannibal Star

By Himanshu Goenka An unusual star about 550 light-years away in the constellation Pisces is known for its erratic dimming episodes, but it turns out RZ Piscium may also be doing something else not commonly seen. The star may be actively destroying the planets and planetesimals in orbit around it and then consuming the remains. […]

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