For the first time, astronomers have spotted enormous, galaxy-scale shock waves rattling the "cosmic web" that connects nearly all known galaxies. These cosmic waves could reveal clues about how the ...

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

With the help of special telescopes, researchers have observed a cosmic particle accelerator as never before. Observations made with the gamma ray observatory H.E.S.S. in Namibia show for the first ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Researchers have created a miniature version of supernova shock waves in a lab here on Earth to ...

Astronomers watched the drama for an entire month. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A burned-out stellar core produced a shockwave ...

Galaxies are often spread apart from each other by millions of light years. But sometimes gravity draws together clusters of hundreds to thousands of galaxies in a close formation. Valerio Pardi / ...