Scientists have found the first direct evidence that a mysterious phase of matter known as the "pseudogap" competes with high-temperature superconductivity, robbing it of electrons that otherwise ...

Using NASA's Fermi telescope, researchers have detected powerful gamma–ray radiation emerging from a 'halo–like' structure surrounding the Milky Way. Its frequency and intensity suggest that this ...

For citizens of the ancient Roman Empire, a trip to the amphitheater meant a thrilling day of entertainment. However, for many of the gladiators and animals involved, it was a fight for survival. A ...

Researchers have found the first direct evidence of a “background” of gravitational waves in the universe — a sign that gravitational waves from slowly merging pairs of supermassive black holes, or ...

For nearly a century, scientists have been searching for direct evidence of dark matter—one of the key missing pieces of our theoretical understanding of the universe. While we have glimpsed the ...

The first evidence for the primordial B-mode polarization of the cosmic microwave background (CMB) has been detected by astronomers working on the Background Imaging of Cosmic Extragalactic ...