To celebrate 100 years since Einstein formulated his theory of general relativity, we celebrate the beautiful observations created by a spacetime phenomenon known as gravitational lensing.
Like a blinding beacon lighting up the night, a powerful gamma-ray-generating stellar husk has been seen pulsating in a neighboring galaxy.
What's with those asteroids that are streaming dust, just like a comet? One researcher explains how this could happen.
Tonight, the Perimeter Institute of Theoretical Physics in Waterloo, Ontario, will be hosting an extra special public lecture with 2012 Nobel Laureate in Physics David Wineland -- watch it here.
Researchers crashed two beams of protons together at the highest energy level yet achieved.
Scientists are taking initial steps in a long-term effort to learn as much as they can about gravitational waves -- mysterious undulations in the fabric of space-time that have so far evaded clear detection.
Deep inside the Tarantula Nebula, some 160,000 light-years from Earth, live a pair of very strange stars.
Science fiction literature is full of stories in which tunnels in space-time — known as wormholes — are used for time travel. How much fact lies within the fiction? The answer is, more than you might think.
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