Precession is why the Pole Star changes over time. Currently Earth's rotational axis is pointed toward Polaris in Ursa Minor, but in the past it has pointed at different stars, and will do so ...

HERZOGENAURACH, Germany--(BUSINESS WIRE)--Pole vault world-record holder Armand “Mondo” Duplantis believes he can push the pole-vault world record to 6.40 metres in the next few years, the ...