An extraordinary amount of ultraviolet light appears to be missing from the universe, scientists have found.
Through the analysis of light from distant galactic clusters, astronomers have detected a mysterious signal that they're having a hard time explaining. Continue reading →
Cosmologists have carried out new analysis techniques on Planck's cosmic microwave background radiation data and found that some of the more mysterious features may be observational error. Continue reading →
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.
Square, straight and ringlike ditches scattered throughout the Bolivian and Brazilian Amazon were there before the rainforest existed, study finds.
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