Some animals have evolved to survive without oxygen in extreme environments. Creatures like **Hydra** can switch to anaerobic ...

The deadly Sydney funnel-web is three distinct species – not one, as previously thought, scientists have confirmed. Spider experts have long suspected the Sydney funnel-web was more than one species ...

New research reveals that damage to these environments is pushing freshwater animals to the edge of extinction, with 24% of species in danger of being wiped out. Thousands of fish, crab and ...

A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer Chimpanzees live only in African rainforests and woodlands. Orangutans ...

Australian scientists have discovered a new species of the deadly funnel-web spider that is bigger and more venomous than its relatives, nicknaming it "Big Boy." In research released Monday ...

Scientists in Australia say a group of “unusually large” funnel-web spiders is actually a new species in its own right. Researchers say they used anatomical and DNA comparisons to study ...

A larger and more venomous species of one of the world's deadliest spiders has been confirmed by Australian scientists. Nicknamed 'big boy', it can grow up to 9cm (3.54 inches) compared with 5cm ...

SYDNEY, Jan 14 (Reuters) - Australian scientists have discovered a bigger, more venomous species of the Sydney funnel-web spider, one of the world's deadliest. The new funnel-web species has ...

Animals around the world are under increasing pressure from a variety of threats. Find out which species are most endangered and how scientists are working to protect them from going extinct.

Freshwater ecosystems cover less than 1% of Earth’s surface, but are vital for life on this planet. New research reveals that damage to these environments is pushing freshwater animals to the edge of ...

Since intestines do not have oxygen, these animals absorb nutrients directly from the host’s body. This enables them to survive in unconventional settings. The loricifera is a microscopic animal that ...

Freshwater ecosystems, though they occupy less than 1% of Earth’s surface, are incredibly rich in biodiversity. They provide habitats for more than 10% of all known species, making them critical to ...