Vegavis, an ancient bird from Antarctica, identified as the oldest modern bird ancestor with specialized fish-hunting adaptations.

Denver Mayor Mike Johnston and the mayors of Boston, Chicago and New York City will go to the hearing set for March 5.

Antarctica has been called the ‘final frontier’ for humanity’s understanding of life when dinosaurs roamed the planet ...

Golden retrievers gather in Golden, Monster Jam returns to Denver, and the Colorado Garden & Home Show opens at the Colorado ...

Antarctica may have been a refuge for early waterfowl ancestors, shielding them from the mass extinction that wiped out the dinosaurs.

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico ...

The near-complete fossil skull, unearthed on Vega Island near the Antarctic Peninsula, reveals a bird that thrived in the ...