When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males ...

Some animals have reproductive strategies so extreme that they can lead directly to their own death. In certain species, intense mating competition or biological stress pushes the body beyond its ...

The appendix has independently evolved at least 32 times across 361 mammalian species. What makes it an evolutionary darling when it’s more of a medical liability today?

Discover why tiny Amazon insects are so vulnerable to heat and what their decline could mean for forests, wildlife, and people.

One of the most popular explanations for why menopause evolved in some species is called the grandmother hypothesis. Essentially, older females stop having offspring of their own, and redirect energy ...

Trout are not native to Arkansas, but I am in a churlish mood tonight, and when I get this way, I beg to differ.

TD Cowen 46th Annual Health Care Conference March 2, 2026 10:30 AM ESTCompany ParticipantsSujal Patel - Co-Founder, ...

Male hormone levels maintain day-to-day stability while female hormones experience continuous changes throughout both the menstrual cycle and various life stages.

Ongoing research aims to confirm the mechanism by which ICP4 fluidizes the nucleus, which could indicate specific targets to counter viral replication.

I spent a lot of time thinking about the birds and the bees while growing up. I was raised in a rural community as the child ...

New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on ...

Billions of birds that once filled North American skies have disappeared, and new science shows they are disappearing faster than ever.