Astronomers are trying to determine what caused a series of gamma-ray bursts, the most powerful explosions in the universe, ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

It's another example of NASA relying more on private enterprise for its orbital infrastructure and maintenance.

If you’ve been following Gizmodo’s astrophysics coverage, you’ve probably noticed a pattern: Scientists study a cosmic phenomenon and start to get a handle on it—then something shows up that ...

Lightning is a phenomenon that has fascinated humanity since time immemorial, providing a stark example of the power and unpredictability of the natural world. Although the study of lightning can be ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Scientists have discovered a gamma ray explosion outside our galaxy that's not only exceptionally powerful, but also ...

CAPE CANAVERAL, Fla. (AP) — Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. Telescopes on Earth and in space — ...

The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.

Gamma-ray bursts (GRBs) are the brightest explosions in the universe. In just a few seconds, they can outshine all the stars ...

A team of astronomers have observed an explosion in the universe unlike any ever witnessed before. The gamma-ray bursts from outside the Milky Way galaxy repeated several times over the course of a ...

"If this is a massive star, it is a collapse unlike anything we have ever witnessed before." Astronomers have spotted a cosmic explosion of high-energy gamma-rays unlike any ever seen before. The ...