4 trends tracked about this subject — the full history, oldest to newest below.
Dolphins have been filmed using seashells as hunting tools for the first time, highlighting complex behavioral learning and potential genetic markers of culture.
Netflix's new release 'In the Hand of Dante' is generating polarizing reactions from critics.
A persistent air leak in the Russian module Zvezda has been classified as a top safety risk by NASA auditors.
Russia has launched a strike against a centuries-old Ukrainian monastery complex located in the heart of Kyiv.