Space Weather

The study of how solar activity affects Earth, satellites, and power grids.

Articles about Space Weather

Physics
The First Law, Rewritten

The First Law, Rewritten
Researchers have extended the First Law of Thermodynamics to account for energy conversion in systems far from equilibrium — a formal generalisation with practical consequences fo…
Space
Nine Ways Space Can Kill You

Nine Ways Space Can Kill You
A scientist's guide to the nine most credible, documented hazards of spaceflight — from vacuum exposure and radiation to fires, debris strikes and psychological collapse — and the…
Space
Northern Lights Possible Tonight

Northern Lights Possible Tonight
Fast solar wind is continuing to buffet Earth's magnetic shield tonight (Dec. 22), raising the chances of visible auroras across high latitudes — and possibly into parts of the no…
Space
MAVEN May Be Lost Around Mars

MAVEN May Be Lost Around Mars
NASA engineers are racing to re-establish contact with the MAVEN orbiter after it failed to reconnect following a routine pass behind Mars on 6 December 2025; partial tracking dat…