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.
Square, straight and ringlike ditches scattered throughout the Bolivian and Brazilian Amazon were there before the rainforest existed, study finds.
Scientists are attempting to map Pluto's icy depths using old telescope data before a NASA spacecraft reaches the distant dwarf planet in 2015.
A child mummy in Italy appears to open and close her eyes. But find out what's really happening. Continue reading →
Found in the sarcophagus of a Renaissance princess, a black soldier fly raises new questions about the insect's path from America to Europe. →
After three months of searching and $40 million, Malaysian Airline Flight 370 remains missing and may never be found. Continue reading →
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