The NIST-F4 atomic clock, recently unveiled by the National Institute of Standards and Technology in Boulder, Colorado, is one of the most accurate timekeeping devices ever built on Earth. This clock ...

State law already forbids slow drivers in the left lane under some circumstances. A House bill would apply that ban more ...

In a landmark achievement for fusion energy, ITER has completed all components for the world's largest, most powerful pulsed ...

If you or someone you know experiences a blockage of blood flow to the point where the heart is not getting enough oxygen, a ...

PSR J0311+1402 flashes every 41 seconds — quite slow for a pulsar. It could help bridge the gap between fast- and ...