Is the biosphere today on the verge of anything like the mass extinctions of the geological past? Could some equivalent of meteorite impacts or dramatic climate change be underway, as humankind's ...

Everyone knows about the mass extinction that ended the Age of Dinosaurs. About 66 million years ago, a seven-mile-wide asteroid slammed into our planet and began a mass extinction that wiped out all ...

Imagine creatures that have survived since the time of dinosaurs. Species like the tuatara, sturgeon, crocodile, hagfish, ...

We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

Biodiversity is declining across the planet, but what about in Wisconsin, how do we measure it, and how can we stop it?

The trees, also known as "living fossils," have weathered the ice age, mass extinctions, and thousands of environmental changes the Earth has experienced. View of the Villarrica volcano ...

Reduced contribution of sulfur to the mass extinction associated with the Chicxulub impact event. Nature Communications , 2025 DOI: 10.1038/s41467-024-55145-6 Cite This Page : ...

However, temperatures returned to stable pre-cooling temperatures around 20,000 years before the mass extinction of dinosaurs ... scientists can estimate past temperatures and were able to create a ...

Mass extinctions are very important to how life evolved on Earth. For example, when an asteroid hit the Earth 66 million years ago, the resulting dinosaur extinction led mammals to... Researchers ...