Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

Cygnus X-1 was the first ever black hole discovered in the year 1960 which had 10 times more mass than the sun.

The National Geographic Society’s Pristine Seas expedition has discovered the largest known coral in the world, spanning a ...