Bizarre egg-laying mammals once ruled Australia-then lost their teethMonotremes like the platypus and echidna with egg-laying species existed alongside teeth-bearing ancestors in the early Cretaceous period.
In Lebanon, the 'Amber Man' digs up golden time capsules from the age of the dinosaursLebanon holds a unique treasure trove of ancient amber specimens from the early Cretaceous period, offering insights into a critical moment in Earth's evolutionary history.