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• Can Entangled Particles Communicate Faster than Light?

  Entanglement is perhaps one of the most confusing aspects of quantum mechanics. On its surface, entanglement allows particles to communicate over vast distances instantly, apparently violating the speed of light. But while entangled particles are connected, they don’t necessarily share information between them. In quantum mechanics, a particle isn’t really a particle. Instead of being …

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• IceCube Just Spent 10 Years Searching for Dark Matter

  Neutrinos are tricky little blighters that are hard to observe. The IceCube Neutrino Observatory in Antarctica was built to detect neutrinos from space. It is one of the most sensitive instruments built with the hope it might help uncover evidence for dark matter. Any dark matter trapped inside Earth, would release neutrinos that IceCube could …

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• Star Devouring Black Hole Spotted by Astronomers

  A team of astronomers have detected a surprisingly fast and bright burst of energy from a galaxy 500 million light years away. The burst of radiation peaked in brightness just after 4 day and then faded quickly. The team identified the burst, which was using the Catalina Real-Time Transient Survey with supporting observations from the …

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• What Makes Brown Dwarfs So Weird?

  Meet the brown dwarf: bigger than a planet, and smaller than a star. A category of its own, it’s one of the strangest objects in the universe. Brown dwarfs typically are defined to have masses anywhere from 12 times the mass of Jupiter right up to the lower limit for a star. And despite their …

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• Archaeology On Mars: Preserving Artifacts of Our Expansion Into the Solar System

  In 1971, the Soviet Mars 3 lander became the first spacecraft to land on Mars, though it only lasted a couple of minutes before failing. More than 50 years later, it’s still there at Terra Sirenum. The HiRISE camera NASA’s Mars Reconnaissance Orbiter may have imaged some of its hardware, inadvertently taking part in what …

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• Building the Black Hole Family Tree

  Many of the black holes astronomers observe are the result of mergers from less massive black holes. Using gravitational waves, we can observe two black holes coming together and their combined remnant. But can astronomers observe a black hole and work out the masses of the objects that came together? Can we build a black hole's family tree? In a new paper, researchers propose that the nearby environment puts limits on the kinds of black holes that can merge.

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• Need to Accurately Measure Time in Space? Use a COMPASSO

  Telling time in space is difficult, but it is absolutely critical for applications ranging from testing relativity to navigating down the road. Atomic clocks, such as those used on the Global Navigation Satellite System network, are accurate, but only up to a point. Moving to even more precise navigation tools would require even more accurate …

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• A Binary Star Found Surprisingly Close to the Milky Way's Supermassive Black Hole

  Astronomers have already discovered many stars orbiting the supermassive black hole at the heart of the Milky Way, Sgr A*. Now, researchers have announced they've found a binary star system in the vicinity too. This is surprising since Sgr A* tears at nearby stars with its ferocious tidal forces, and you'd expect binary stars to be separated from one another after too many close flybys. Well, there they are, still a pair after millions of years.

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• New Research Suggests Io Doesn’t Have a Shallow Ocean of Magma

  Jupiter’s moon Io is the most volcanically active body in the Solar System, with roughly 400 active volcanoes regularly ejecting magma into space. This activity arises from Io’s eccentric orbit around Jupiter, which produces incredibly powerful tidal interactions in the interior. In addition to powering Io’s volcanism, this tidal energy is believed to support a …

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• The Mysterious Case of the Resurrected Star

  The star HD 65907 is not what it appears to be. It’s a star that looks young, but on closer inspection is actually much, much older. What’s going on? Research suggests that it is a resurrected star. Astronomers employ different methods to measure a star’s age. One is based on its brightness and temperature. All …

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