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

The sun’s magnetic activity causes auroras, and the relationship between solar flares and auroras reveals an 11-year cycle; ...

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

With eight billion people, we use a lot of the Earth's resources in ways that are likely unsustainable. Klaus Hubacek, ...

Occasionally, during explosions called coronal mass ejections, the Sun releases charged particles that speed across the solar ...

Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...