For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive ...

A tiny, dense stellar corpse in a nearby galaxy is pumping out so much energy that, on paper, it should have blown itself apart long ago. The object, cataloged as M82 X-2, blazes in X-rays up to ...

Astronomers using a powerful radio telescope in South Africa have discovered an extraordinary cosmic signal coming from more than 8 billion light-years away. The signal comes from a rare object known ...

Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

"We can study a diverse population of supermassive black holes and their radio jets at different stages of their evolution." When you purchase through links on our site, we may earn an affiliate ...

A unique technique allowed astronomers to see the early universe as a "sea of light" and explore the effects of gravity and dark energy on cosmic evolution.

"Stars like the sun don’t just stop shining for no reason." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest ...