> new discoveries can never give us a later date for when something appeared It's probably not as common as the other way, but it's certainly possible. A new d

> new discoveries can never give us a later date for when something appeared It's probably not as common as the other way, but it's certainly possible. A new discovery can cause the estimated time of an event to be revised more recent, moving it closer to the present. Homo Erectus arrived in Java more recently than previously thought: https://www.eurekalert.org/pub_releases/2020-01/aaft-eha010620.php https://www.eurekalert.org/pub_releases/2020-01/aaft-eha0106... The Tibetan plateau is newer than previously thought: http://en.albiladpress.com/article/11199 http://en.albiladpress.com/article/11199 Ancient proto-dinosaurs were more recent than previously thought: https://www.csmonitor.com/Science/2015/1208/Dinosaurs-early-cousins-may-have-lived-more-recently-than-we-thought https://www.csmonitor.com/Science/2015/1208/Dinosaurs-early-...