How to weigh a killer asteroid at 22 kilometers per second

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

First 3D reconstruction of the face of 'Little Foot' completed

Identified as the most complete Australopithecus fossil discovered to date, "Little Foot" was buried in sediments whose ...
Smithsonian Magazine

Like an ‘Eight-Ton Chicken,’ Tyrannosaurus Rex May Have Run on Its Tiptoes to Catch Speedy Prey

This suggests the dinosaurs hunted different prey at various stages of life. The faster juvenile T. Rexes probably chased ...