Finally, scientists have their finger on the pulse. Spinning dead stars, known as pulsars, blast powerful beams of radio waves into space. As a pulsar spins, its beams sweep past Earth, producing a ...

A thousand years ago, a brilliant beacon of light blazed in the sky, shining brightly enough to be seen even in daytime for almost a month. Native American and Chinese observers recorded the ...

Why pulsars make better clocks than anything on Earth To understand why pulsars are so valuable to SETI and gravitational wave astronomers, I start with their basic physics. A pulsar is a rapidly ...

At the heart of the famous Crab nebula holds an astronomical puzzle: an intense powerhouse of radiation that has defied all attempts by astronomers to explain it. Subscribe to read this story ad-free ...

Scientists think massive structures like this may be the source of the mysterious antimatter found on Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

In a spin Astronomers have discovered that the powerful energy beams produced by pulsars are generated far closer to the star's surface than previously thought. Pulsars are rapidly rotating neutron ...

Size doesn’t always matter in the cosmos. Sometimes, the tiniest of objects can put on powerful displays that span trillions of miles. Astronomers recently imaged a gigantic beam of matter and ...