Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

The 'Fish Doorbell' now has millions of fans helping Dutch fishes migrate and reproduce safely.

As of 2026, more than 8,500 invasive species are established in the U.S., including plants, insects, reptiles, amphibians, ...

Disinvestment and white flight have led to swathes of empty buildings, but demolition has fueled more problems ...

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

Scientists have long focused on rising temperatures to understand how climate change is reshaping the natural world. But ...

Scientists are one step closer to growing crops on the moon after successfully cultivating chickpeas in simulated lunar soil.

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

A new study sheds light on the illuminating, sometimes counterintuitive dynamics of mating and how species survive.

The Atacama Desert is one of the driest places in the world. Some areas get very little rain each year. The soil is salty, and in some places it even contains harmful elements like arsenic.

When the two species got together tens of thousands of years ago, the hookups may have often involved a male Neanderthal and a female human, according to a new study. The findings, described February ...