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 …

The Cretaceous–Paleogene (K–Pg) extinction event, [a] formerly known as the Cretaceous-Tertiary (K–T) extinction event, [b] was a major mass extinction of three-quarters of the plant …

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 …

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.

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 …

Jul 20, 2025 · Scientific evidence reveals a complex story of the dinosaurs’ end, combining long-term planetary stress with a sudden catastrophic event that reshaped life.

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 21, 2023 · Why Did Dinosaurs Go Extinct? But this success was not meant to last. Around 66 million years ago, an asteroid thought to be roughly 6 miles wide struck the Yucatán Peninsula …

Dinosaurs went extinct due to a combination of catastrophic events, with the primary cause being a massive asteroid impact that led to severe environmental changes, including blocked …