By using something called a quantum grid, scientists have found a clever way to simultaneously measure momentum and position without violating Heisenberg's uncertainty principle.

Back when I was a Catholic-school kid in northern Wisconsin, my school lessons briefly focused on the metric system. This was ...

Daniel W.E. Green at the Central Bureau for Astronomical Telegrams, suggests that comet SWAN will hover near magnitude of +6, ...

Scientists can't use tape measures, rulers or lasers to measure the astronomical distances to stars and galaxies, so how do ...