Geoff Brumfiel

The National Institutes of Health is overhauling the leadership of its world-renowned Clinical Center, after an independent task force found the center was putting research ahead of patient safety.

Scientists have had a literal breakthrough off the coast of Mexico.

After weeks of drilling from an offshore platform in the Gulf of Mexico, they have reached rocks left over from the day the Earth was hit by a killer asteroid.

A small mammal has sabotaged the world's most powerful scientific instrument.

The Large Hadron Collider, a 17-mile superconducting machine designed to smash protons together at close to the speed of light, went offline overnight. Engineers investigating the mishap found the charred remains of a furry creature near a gnawed-through power cable.

On Tuesday, theoretical physicist Stephen Hawking and Russian billionaire Yuri Milner announced a plan to send interstellar probes to the Alpha Centauri star system. The audacious project would use a giant laser on Earth to accelerate scores of postage-stamp-size spacecraft to nearly the speed of light. They would cross the void in just 20 years — virtually no time on the scale of interstellar travel.

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