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

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.

Even in the ultra-dry Atacama Desert, tiny soil-dwelling nematodes are thriving in surprising diversity. Scientists found ...

Invasive species are all over America, and it’s very likely you may have seen them in your own backyard. Some species are so ...

We report on a new study from France, which indicates that dogs and cats may help to spread invasive flatworms.

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

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.

Recent research from the UK Biobank shows that menopause is linked to adverse mental health outcomes and lower brain volume.

Something unusual is happening out in the wild in Australia. Some birds are genetically one sex but look and act like the other. Scientists looked at five species: the Australian magpie, laughing ...

When a nuclear disaster empties a landscape of people, nature doesn’t politely wait for instructions. It moves in. After the 2011 meltdown at the Fukushima Daiichi nuclear power plant in Japan, ...

Scientists were baffled over how eels reproduced for thousands of years – leading to the belief they spontaneously spawned ...

Some animals are capable of parthenogenesis, a reproductive process in which females produce offspring without fertilization.