Phil Plait

Bad Astronomy

New study finds giant impacts aren't periodic

Theropod footprints similar to the ones uncovered in this story, but not associated with this study. (Image Credit: Brendon Stinson/Shutterstock) 

theropod prints

Dancing dinosaurs? Learn what dinosaur tracks tell us about theropod dance and mating moves. 

Theropod Dinosaurs Met to Dance, Mate, and Nest in Colorado About 100 Million Years Ago

Artistic reconstruction of Bolg amondol, depicted raiding an oviraptorosaur dinosaur nest amidst the lush Kaiparowits Formation habitat. (Image Credit: Art by Cullen Townsend.)

Artistic reconstruction of Bolg amondol, by Cullen Townsend

Learn more about Bolg amondol, the large prehistoric lizard named after a character from J.R.R. Tolkien’s The Hobbit. 

Newly Identified Monstersaur Lizard Had an Armored Skull and Walked Among Dinosaurs

(Image Credit: Dotted Yeti/Shutterstock) 

Plateosaurus dinosaurs

 A team of researchers have discovered a case of severe osteomyelitis in a Plateosaurus found in Switzerland’s Frick Valley – and you can see it in person.

Oldest Dinosaur Bone Infection Discovered in 220-Million-Year-Old Plateosaurus

First mammal Morganucodon. (Image Credit: miha de/Shutterstock)

Possible first mammal Morganucodon

Learn more about Morganucodon and Brasilodon, the two species that may have given life to the mammals we know today. 

Was the First Mammal to Live on Earth the Morganucodon or Brasilodon? Experts Still Debate

Darla Zelenitsky, a paleontologist and associate professor in the Faculty of Science, and Jared Voris, a Ph.D. candidate, have identified a new species of dinosaur named Khankhuuluu. They, along with a team of international scientists, have published a paper in the science journal, Nature, about the evolution of Tyrannosaurs. (Image Courtesy of Julius Csotonyi for Darla Zelenitsky, University of Calgary.)

Khankhuuluu, the new species that came before Tyrannosaurs

Learn more about a newly discovered dinosaur species that is now the closest-known ancestor to the Tyrannosaurs.

Meet Khankhuuluu: The Dragon Prince Dinosaur That Came Before T. Rex

Batrachotomus, extinct reptile not associated with the study. (Image Credit: Kostiantyn Ivanyshen/Shutterstock)

New study finds giant impacts aren't periodic

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