Smithsonian Magazine on MSN
The Dinosaurs of North America Were Thriving Up Until an Asteroid Wiped Them Off the Face of the Earth, Scientists Argue
A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...
Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...
Animal life seemed to explode into a wide variety of new forms in the Cambrian period. Sun et al. (2002). National Science Review. via Wikipedia under CC By 4.0 Sometime before 520 million years ago, ...
"The pace of change we’re seeing today is unlike anything we know of in the past 66 million years," said ecologist Jack Hatfield.
A new study may have solved a magnetic field mystery contained in 550-million-year-old rocks.
The Red Sea became a desert about 6.2 million years ago, before a massive flood from the Indian Ocean turned it into a ...
An exploding star may have sent cosmic shrapnel flying to hit Earth 10 million years ago, and astronomers have now narrowed down the most likely culprits behind this interstellar incident. Earlier ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback