Cyclical Extinctions

Before an asteroid wiped out dinosaurs, climate change was already killing them slowly

A study finds that the number of species was in steep decline from 10 million years before the asteroid strike.

Fabien Condamine, The Conversation
· Aug 11, 2021 · 11:30 pm
What ancient beasts that once lived with early humans in India tell about evolution and extinction

The subcontinent experienced a low magnitude megafaunal extinction approximately 30,000 years after the arrival of Homo sapiens in the region, finds a study.

Sahana Ghosh
· Feb 27, 2021 · 07:30 pm
Is dark matter the cause of chaos on Earth every 30 million years?

Every 30 million years, Earth has to deal with more comet crashes from space and more intense geological activity from within. Dark matter may be the culprit in these episodes.

Michael Rampino, The Conversation
· Apr 03, 2015 · 06:00 am