Humans used nearly three-quarters of the Earth's land 12,000 years ago and colonization and industrialization brought negative effects, new research shows.

“The number of people that would be affected by this is about 40% of the world population.”

Someday, scientists believe, tiny DNA-based robots and other nanodevices will deliver medicine inside our bodies, detect the presence of deadly pathogens, and help manufacture increasingly smaller electronics.

Why you do it? Ways to reduce it.

AI has gone into games, self-driving and other areas with mixed success, and now it's trying its hand at cooking. After Google's AI went up against a Great British Bake Off winner, Sony has developed a deep learning system called FlavorGraph designed to pair up ingredients like garlic, olives and milk.

Researchers made human-monkey chimeras, by adding human stem cells to monkey embryos. Some embryos were cultured for 19 days after fertilisation.

Diet seems to have a bigger impact on neurological health than scientists thought.

Walking is good for you, obviously. But can it whip you into shape?

The tooth fairy is a welcome guest for any child who has lost a tooth. Not only will the fairy leave a small gift under the pillow, but the child can be assured of a new tooth in a few months. The same cannot be said of adults who have lost their teeth.

In the 1951 film The Day the Earth Stood Still, an extraterrestrial named Klaatu and his robot companion Gort stop nearly all of the electronics on Earth simultaneously, using their advanced alien technology. Cars, factories, television sets and more all cease to work, and the planet settles into an eerie pause.

The relatively aggressive coronavirus variant first discovered in South Africa is able to "break through" Pfizer/BioNTech's Covid-19 vaccine, according to a real-world study that was published in Israel yesterday.

A team of scientists led by the Wildlife Conservation Society (WCS) and working closely with experts from the Agence Nationale des Parcs Nationaux du Gabon (ANPN) compared methodologies to count African forest elephants (Loxodonta cyclotis), which were recently acknowledged by IUCN as a separate, Critically Endangered species from African savannah elephants.

By analyzing what’s known about the dinosaur, paleontologists conclude there were 2.5 billion T. rex over the 2.4-million-year existence of the species

This startup says it can send electric power over long distances without copper wire.

The newest and largest human composting facility was founded by an entrepreneur who saw an entry point into a burgeoning new industry.

First nuclear DNA from sediment shows turnover, migration among ancient cave dwellers in Spain

Pristine areas in the Amazon and Siberia may expand with animal reintroductions, scientists say

Scientists have devised a new way of looking at habitat loss on Earth, finding that 97 percent of Earth's land area may no longer be ecologically intact.

Teenagers can sometimes struggle to get out of bed in the morning – but ensuring they get enough sleep could be vital for health in later life.

Some of these ancient drawings are found in the deep, dark areas of caves that would have been difficult to get to.