Earth’s quicker spin challenges civil time as experts weigh a first negative leap second to keep satellites, networks, and ...

Something unusual is happening to our planet, and scientists are racing to understand why. For billions of years, Earth’s rotation has been gradually slowing down, mainly due to the Moon’s ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Jacco van Loon, Astronomer, Keele University Could ...