I am hiking along the Metacomet Ridge in Greenfield, Massachusetts – a rather steep basaltic structure, modestly less than five hundred feet high and topped by a stately brick tower constructed in ...

A new biography of Luis Alvarez captures the details but misses the drama in the career of a scientist whose work ranged from ...

That vision changed in the 1980s, when Walter and Luis Alvarez argued that dinosaurs didn't simply march across a desert to their deaths; ... a paleontologist at the University of Edinburgh, ...