Homosexuality is common. Monogamy is rare. And the animal kingdom is full of swingers.
Hare and Woods contribute analysis and perspective to LiveScience's Expert Voices: Op-Ed & Insights.
The hormone estrogen may reduce the number of breast cancer stem cells, which initiate tumor growth.
The symptoms of a cold, allergies and sinusitis can be similar. Here are some ways to tell the difference between these conditions, according to the American Academy of Otolaryngology.
Astrophotographer Chad Blakley captured three amazing videos of northern lights over Sweden's Abisko National Park.
Many of Norway's frigid fjords are turning murky thanks to an influx of freshwater, and darker seas could result in more jellyfish.