electromagnetic radiation
Is it safe to keep your cellphone in your pocket? Experts explain the risks and what to do if you’re worried.
LifeStyle
Olivia Martin
Where is your cellphone right now? If you’re reading this, your phone is probably in your hand. But as soon as you’re ...
Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet
Science
Dr. Sarah Adams
Johannes Kepler observed the last supernova in the Milky Way in 1604, so in a statistical sense, the next one is overdue. ...
Giant geomagnetic storm to slam into Earth, fueling auroras across northern US
Science
Dr. Sarah Adams
The sun has launched a blob of plasma toward Earth that could trigger a geomagnetic storm in the planet’s magnetic field, officials ...