Where did these 30,000 light-year high bubbles come from? Astronomers still aren't quite sure. Continue reading →
Europe’s Rosetta comet probe has revealed that its target, Comet 67P/Churyumov-Gerasimenko, has a Siamese twin, a thrilling discovery for scientists preparing for Rosetta’s August rendezvous... but it will also be a huge challenge. Continue reading →
The Hubble Space Telescope has spotted an unprecedented 100,000 light-year long structure wrapped around two colliding galaxies. Continue reading →
A hotspot of powerful, ultrahigh-energy particles streams toward Earth from beneath the handle of the Big Dipper constellation. This collection of cosmic rays may help scientists nail down the origin point of the powerful particles, a century-old mystery.
Scientists are attempting to map Pluto's icy depths using old telescope data before a NASA spacecraft reaches the distant dwarf planet in 2015.
Although it is just a hint, LHCb physicists are baffled as to why the production of electrons, muons and taus should be defying Standard Model predictions. Continue reading →
Astronomers have long been in the dark about what is happening just beyond the center of the Milky Way -- but with the help Cepheid variable stars, we're beginning to realize that our galaxy's outer disk is mysteriously flared.
There are many mysteries about the enigmatic ringed gas giant, but the curious mechanism behind Saturn's 'spokes' is one of the more intriguing puzzles. Continue reading →
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