disaster

New Estimate Puts the Supernova Killzone Within 50 Light-Years of Earth

A new paper on supernovae and the effects on Earth increases the so-called "Supernova Kill-Zone" to 50 light years.

5 years ago

What Was the Carrington Event?

In 1859, the Sun gave off the most powerful solar flare on record. A blast of radiation and particles so…

5 years ago