Aggregated measurements from millions of smartphones could be used to create a comprehensive map of the Earth's ionosphere, ...

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

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

An international team of astronomers has identified three ultra-massive galaxies—each nearly as massive as the Milky ...