Nov 11, 2025 · Proposed causes for the extinction of dinosaurs have included everything from disease, heat waves, cold spells, faunal changes, and an asteroid collision during the K–T …

Evidence suggests an asteroid impact was the main culprit. Volcanic eruptions that caused large-scale climate change may also have been involved, together with more gradual changes to …

Numerous species of benthic foraminifera became extinct during the event, presumably because they depend on organic debris for nutrients, while biomass in the ocean is thought to have …

The extinction of non-avian dinosaurs approximately 66 million years ago resulted from the Chicxulub asteroid impact and its cascading environmental effects—wildfires, tsunamis, …

Why did the dinosaurs go extinct? Learn about the mass extinction event 66 million years ago and the evidence for what ended the age of the dinosaurs.

Jan 8, 2025 · The extinction of the dinosaurs is still a subject of study, with new findings possibly changing our understanding. The asteroid impact theory, which has a ton of geological …

Nov 16, 2025 · Dinosaurs went extinct during the Cretaceous extinction event around 66 million years ago. This mass extinction marks the end of the Cretaceous Era and the beginning of the …

Jun 16, 2025 · The great dinosaurs - and much of Earth's other wildlife - died either immediately after the asteroid impact on the Yucatán Peninsula or because the planet's food chains …

Sep 16, 2022 · How did dinosaurs go extinct? According to National Geographic, there are two main theories as to how the dinosaurs went extinct: interplanetary violence or problems on Earth.

Get teaching resources about the extinction event that wiped out the dinosaurs and more. Find lessons and worksheets about paleobotany, the K-T boundary, and mass extinction.