The fundamental unit of time could soon be based on something beyond the transition of two hyperfine ground states of cesium, which has been the definition ... can go a step towards the redefinition.

But, while the hot year certainly isn't good news, this breach of 1.5C doesn't mean we've broken the Paris Agreement. Let's break down why that is, what it means for our climate and weather ...

Meta said it's moving towards community notes to moderate content. Meta -- the company that operates Facebook, Instagram, Threads and WhatsApp --announced on Tuesday it was ending third-party fact ...