“Our task today is to decide only whether the power to ‘regulate ... importation,’ as granted to the president in IEEPA, embraces the power to impose tariffs. It does not,” the opinion notes. “IEEPA ...

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In an attempt to initiate a courtship dance, a male Lusotitan puts his best foot forward. In the prehistoric world first impressions matter. Sometimes a few moves can make all the difference. An ...

Discover the story of Lusotitan, one of the largest dinosaurs ever. Inspired by a remarkable discovery in Portugal, this is the story of Lusotitan, a colossal, long-necked dinosaur — one of the ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Editor's note: We've updated this story with new information. Since last November, when a prehistoric-looking shoebill landed on a tour boat in Uganda and appeared to dwarf observers, the birds have ...

In the long shadow of the asteroid that wiped out the dinosaurs, life appears to have bounced back with surprising speed. A new analysis of sedimentation rates suggests that the first wave of marine ...