Every winter, as the air sharpens and scarves return to shoulders, an old visitor also makes a reappearance: the flu. It announces itself with fever, aching limbs, and the familiar drip of a runny ...

Nuclear clocks are a technology researchers have been working toward for decades. New research in theoretical physics brings them closer to reality.

In a corner of a national park where the ground steams and the air smells faintly of sulfur, scientists have stumbled on a ...

Now, it’s open to almost everyone who can afford it. Companies will offer to test for hundreds of genes to help people make ...

To our immune system, a potentially lifesaving gene therapy can look a lot like a dangerous infection. That's because most ...

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