PRINCETON, N.J., Dec. 15 (UPI) -- A U.S. geosciences professor says dinosaurs died gradually from climate change caused by volcanic eruptions in India and not because of a meteor strike.

PRINCETON, N.J., Nov. 5 (UPI) -- A U.S. study suggests violent volcanic eruptions in India might have killed the dinosaurs 65 million years ago, not a meteor impact.

LONDON, Feb. 2 (UPI) -- The seemingly never-ending controversy concerning the demise of dinosaurs some 65 million years ago is showing no signs of resolution.

PRINCETON, N.J., March 2 (UPI) -- European and U.S. scientists are questioning the notion that a vast Mexican crater is the scar left by an asteroid that wiped out Earth's dinosaurs.

PRINCETON, N.J., Sept. 25 (UPI) -- Princeton paleontologist Gerta Keller says she has evidence for yet another theory one what killed off the dinosaurs.