The search for those missing after Yemen’s Houthi rebels sank a ship in the Red Sea has ended as at least four people are ...

Do moon phases affect fishing success? Explore the history of Solunar theory and see how the Citizen Tsuki-yomi A-T watch lets you track moon phases in style.

In this work, a rubidium fountain clock through an 84km commercial optical fiber link was used to steer the atomic time scale generated by a clock ensemble with 2 hydrogen masers and 8 high ...