Sunburns may seem like a simple consequence of too much time outdoors, but beneath the sting and redness lies a complex biological reaction. A sunburn isn’t just irritated skin — it’s an injury at the ...

Earth sits in a harsh galaxy filled with high-energy particles that can strip atmospheres, scramble DNA, and sterilize worlds ...

“Redheads are not going extinct,” says Katerina Zorina-Lichtenwalter, a postdoctoral fellow at the Institute for Behavioral ...