Like most armed forces across the world, the U.S. military uses the 24-hour clock. But why does military time exist, and when ...

A new method uses helium droplets combined with ultrashort laser pulses to trigger chemical reactions in a controlled way.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

July 14-16 gathering to create recommendations for policymakers and leaders to reduce the threat of nuclear war ...

Space agencies have been asked to establish a "Moon-centric time reference system" by the end of 2026, said The Guardian, ...

The NPT-based nonproliferation regime has often worked best by giving countries time and incentives to reconsider fateful ...

According to the website, Earth spins faster when the Moon’s orbit takes it significantly north or south relative to the ...