Could Alien Probes Be Patrolling the Galaxy?
Computer simulations by a pair of researchers at the University of Edinburgh predict that a fleet of interstellar probes could explore the entire Milky Way galaxy…
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Could an Alien ‘Star Engine’ Be Detectable in Exoplanet Data?
In 1948, astronomer Fritz Zwicky, the esteemed co-discoverer of dark matter, speculated that “fusion jets” could be used by a future civilization to navigate our sun…
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A New Kind of Pulsar
About three times a second, a 10,000-year-old stellar corpse sweeps a beam of gamma-rays toward Earth. Just discovered by NASA’s Fermi Gamma-ray Space Telescope, the object,…
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