Today, the Sahara Desert is a sea of sand, but 7000 years ago it was a lush savanna full of hippos, crocodiles, elephants, and giraffes. During a humid, monsoon-heavy interval that spanned more than 5 millennia, people hunted, fished, and...

According to a report led by planetary astronomer Andrew Rivkin of Johns Hopkins University, 2024 YR4 has a small chance of smacking into the Moon when the asteroid next flies close to Earth in December 2032.

In a study just published in the Proceedings of the National Academy of Sciences, a team of international collaborators describe their discovery in China of the first complete example of a Middle Paleolithic technology previously seen only in Europe and...

A team of Tel Aviv University researchers from the field of prehistoric archaeology has proposed an innovative hypothesis regarding an intriguing question: Why did ancient humans bring their young children to cave-painting sites—deep underground—through dark, meandering, hazardous passages? The paper...