Stephen Hawking at his office at the department of applied mathematics and theoretical physics at Cambridge University in 2005. Photograph: Murdo Macleod/The Guardian. Before he u ...

A human embryo at roughly three to four weeks of development. The Tiangong experiment uses stem cell-derived embryo models at roughly the same stage of development. Credit: Wikime ...

Hundreds of millions of years ago, prehistoric seas and rivers were full of strange fish with armor, fins, lungs, slime, and ...

Stratos. In a dry valley north of the Great Salt Lake, Kevin O’Leary of Shark Tank fame wants to build an AI data center ...

The full enclosure wall of the Kasta Tomb mound in Amphipolis. Photo source: Greek Culture Ministry. When Alexander the Great ...

Maybe you should answer that message, or check your email. Perhaps you should be striving to improve yourself, or at the very ...

For millions of adults worldwide, nerve pain feels like a constant, inescapable electric shock. Standard medications often ...

Researchers in Germany have warned that ordinary Wi-Fi could become a surprisingly powerful surveillance tool. A team at ...

A new study of two 600-year-old surgical tools from a Ming Dynasty tomb in eastern China has identified probable residues of ...

A new study finds that even environmentally conscious divers smash, scrape, and stir up reefs. The biggest culprit? Their own ...

Gold has survived in tombs, shipwrecks and museum cases with a stubborn glitter that other metals cannot match. While iron ...

In the sixth century, Nubia became one of Africa’s major early Christian regions. But its conversion was more a political ...