Life on our planet has experienced many mass extinctions over its 4.5 billion years. Scientists see evidence for at least ...
Five big mass extinction events are recognized by paleontologists ... an area that will continue to shrink in the next decades. Habitat loss is a major threat to biodiversity, followed by over ...
Over hundreds of millions of years, the planet has had five mass extinctions, and in time life has recovered. The process of recovery has been studied far less than the extinction events ...
Image caption, There have been five major mass extinctions. The most famous is probably the one which wiped out the dinosaurs. When an asteroid hit the Earth 66 million years ago, it triggered ...
Think dinosaurs were the only ones to survive a mass extinction? Think again. While most ancient creatures vanished, some resilient species—including our own distant ancestors—weathered the ...
From coexisting with dinosaurs and surviving five mass extinctions, the Cuban manjuarí fish (Atractosteus tristoechus, or Cuban gar) today faces two threats that could finally break its ...
Is the biosphere today on the verge of anything like the mass ... extinction rate is landscape modification, an impact greatly increased by the burgeoning human population. Now standing at 5.7 ...
Key aspects of extinctions in the history of life are here reviewed by six leading palaeontologists, providing a source text for geology and biology undergraduates as well as more advanced scholars.
This story appears in the October 2019 issue of National Geographic magazine. Some scientists contend that we’re heading toward what would be the sixth mass extinction in the history of life on ...