Cortisol in hair shows sharper differences in long-term stress among Ukraine war refugees than standard questionnaires.

Gases jetting out of Comet 41P/Tuttle-Giacobini-Kresák may have caused it to reverse its spin in 2017, possibly leading to ...

A study of ancient artifacts suggests Native American dice games began thousands of years earlier than previously documented.

With around 26,000 qubits, the encryption could be broken in a day, the researchers report in a paper submitted March 30 to ...

Conservative pronatalists want a return to the traditional nuclear family. But that family structure is at odds with how ...

The "digital twins" helped doctors spot good targets for heart ablation in 10 patients. Months later, all of them are free of ...

The concept of entanglement links far-flung particles. That relationship can prove that someone is in the location they claim ...

Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single ...

Artemis II is underway, carrying four astronauts around the moon on a 10-day mission to test systems for later lunar flights ...

A $20 billion plan for a moon base by 2030 and the launch nuclear-propulsion space exploration raises hopes, but caution ...

In Chiles v. Salazar, the court ruled that a therapist has First Amendment protections. That could impact how talk therapy is ...

Fossil jaw remains found in Egypt suggest that the earliest modern apes evolved in North Africa, not in East Africa where ...