Science

The 5-year-old looked nervously at her older brothers, scanning their faces for any sign of distress as needles were swiftly stuck into their upper arms, the syringe plungers pushed in and the...

ORIGINSDNA has shown that the extinct humans thrived around the world, from chilly Siberia to high-altitude Tibet — perhaps even in the Pacific islands.March 2, 2024Neanderthals may have vanished 40,000 years ago,...

The House this week overwhelmingly passed legislation meant to speed up the development of a new generation of nuclear power plants, the latest sign that a once-contentious source of energy is now...

Americans with Covid or other respiratory infections need not isolate for five days before returning to work or school, the Centers for Disease Control and Prevention said on Friday, a striking sign...

Two good friends, Rebecca Grekin and Yannai Kashtan, met up one crisp December morning at Stanford University, where they both study and teach. The campus was deserted for the holidays, an emptiness...

An official in charge of diversity, equity and inclusion at Columbia University’s Irving Medical Center was accused this week of plagiarizing large sections of his doctoral dissertation, according to an anonymous complaint...

Climate change is increasing the risk of wildfires in Texas, a danger made real this week as the Smokehouse Creek fire, the largest in state history, burns out of control across the...

Vaccines for respiratory syncytial virus may have caused a few cases of Guillain-Barré syndrome, a rare neurological condition, federal health officials said on Thursday.The numbers were small, on the order of two...

Last August, a team of paleontologists announced that they had discovered the fossilized bones of a gigantic ancient whale. Perucetus, as they named it, might have weighed over 200 tons, which would...

Clocks and calendars are handy, even if they are out of step with the astronomical world.Earth’s actual orbit around the sun takes six hours and nine minutes more than the strict 365...