“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ornament to attract females rather than purely as a badge of status to ...

Size matters” sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle. Compared to other great apes, such as chimpanzees and go ...

The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...

Rock formations in Love Valley, Cappadocia, Turkey. Nevit Dilmen/Wikimedia Commons , CC BY "Size matters" sounds like a ...

Jim Christensen started taking photos when he was just 7 years old, capturing snapshots of the world through the lens of a ...

Aiming for a reopening in 2036 to celebrate the site’s bicentenary, the Bristol Zoo Gardens 200 proposal assumes the Clifton site is retained, developed and managed by Bristol Zoological Society as ...

In this corner, we have the mighty male silverback gorilla, a massive great ape with a powerful punch! His opponent is the terrifying, fierce grizzly bear yielding long, dagger-like claws capable of ...

Rob the Ranger records lions fighting fiercely during a tense nighttime encounter.

A video captured by a safari guide in Zambia, showed a unique wildlife encounter between a crocodile and a buffalo, in which the former was trying to eat the latter.

After a sharp uptick in flu cases in mid-December 2025, flu activity across the U.S. and Canada remains high.