Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

This evidence comes from a nearly complete, 69-million-year-old skull of an extinct bird, named Vegavis iaai.  The fossil ...

Near the end of the age of dinosaurs, a bird resembling today's loons and grebes dove for fish and other prey in the perilous ...