Though sci-fi movies would have us believe that space is incredibly cold — even freezing — space itself isn't exactly cold. In fact, it doesn't actually have a temperature at all. Temperature is a ...

The sun is, for now, a reassuringly stable star upon which to hang our fates. But that doesn’t mean it doesn’t have its moods. To better monitor this far-away—but impactful—weather, the United States ...

What steps can be taken to safeguard future human missions to Mars? This is what a recent study presented at the Royal Astronomical Society’s National Astronomy Meeting 2025 hopes to address as a ...

NOAA's Space Weather Prediction Center (SWPC) in Boulder, Colo., issued a G3 (strong) geomagnetic storm watch for Tuesday, Nov. 11, 2025 into the following day. This comes as forecasters watch a pair ...

This Collection brings together original research focused on the physical mechanisms underlying space weather events, their propagation through the heliosphere, and their interaction with planetary ...