The start of the year has sometimes come with an extra second added to our clocks. The adjustment is made to coordinate the ...

Researchers uncovered a 13,000-year-old sandstone model in France’s Ségognole 3 rock shelter, possibly the world’s oldest 3D ...

The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100,000 times faster than the ...

This year’s top 10 cities reflect a diverse mix of cultural powerhouses, culinary hotspots, and destinations that are not just great to visit, but also fantastic places to live.