Diamonds are naturally hard, but is there anything from Earth, space or even a lab that's harder?

Archaeologists in Egypt have discovered an ancient cemetery that has stone sarcophagi, coptic jars and even a "Book of the Dead" scroll.

We can account for the evolution of consciousness only if we crack the philosophy, as well as the physics, of the brain

Why are most planets and moons (mostly) spherical?

Nov. 26, 2023: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Wollemi pines — thought to have gone extinct 2 million years ago — were rediscovered in 1994. Scientists are now hoping to reintroduce the species in the wild in a conservation effort that could take centuries.

Researchers have discovered a fossil forest with small, palm-like trees and arthropod tracks dating back to the Middle Devonian.

Earth is covered with water, but how much is hiding in our planet's crust?

After early humans traveled out of Africa 70,000 years ago, they had a "hub" on the so-called Persian plateau, a new study suggests.

Arabica coffee plant appears to have evolved between 600,000 and 1 million years ago after two other coffee species crossbred in the forests of what is now Ethiopia.

"These primates' fierce ­battles ­were instigated by co­ali­tions of adult males, with the sole aim of extending their territory. The areas where the fighting took place corresponded to the land conquered by force."

The coins must have amounted to a huge sum when they were buried about 900 years ago.

A new study confirms that Earth's inner core has been rotating more slowly than usual since 2010. This mysterious "backtracking" could also end up slightly altering the planet's overall rotation, lengthening our days.

Florida ants perform amputations and clean wounds to prevent the spread of infection, scientists discover.

Aboriginal artifacts in Australia that were likely used for ritual spells may be evidence of the oldest culturally transmitted ritual on record.

Physicists have struggled to understand the nature of time since the field began. But a new theoretical study suggests time could be an illusion woven at the quantum level.

Tablets added to the British Museum's collection many decades ago have finally been deciphered.

Archaeologists have unearthed the remains of a Roman military structure in Turkey dating to the fourth century, when Emperor Constantius II ruled.

An improvement to an existing AI-based brain decoder can translate a person's thoughts into text without hours of training.

Keratin extracted from sheep wool has been found to help protect human teeth. It could be coming to your dentist’s office soon.