Chip Chick on MSN3mon
The Rise Of The Dinosaurs 200 Million Years Ago Was Caused By Volcanic Winters, Not Warmth
One of the five greatest mass extinctions took place on Earth about 201.6 million years ago, when three-quarters of all ...
Live Science on MSN5mon
Mesmerizing animation shows Earth's tectonic plates moving from 1.8 billion years ago to today
Related: Weird mystery waves that baffle scientists may be 'everywhere' inside Earth's mantle Around 200 million years ago ...
Forbes9mon
Earth Is Suddenly Slowing And Days Now Last Longer, Scientists Say
In about 200 million years, the length of a day on Earth should reach 25 hours ... rocks suggested that about 1 or 2 billion years ago, the length of a day stalled at 19 hours for around a ...
230 Million-Year-Old Fossil From Wyoming Challenges Dinosaur Origin Theories
A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early dinosaur history.
Forbes1y
In The Far Future There Will Be Only One Supercontinent On Earth, Too Hot For Most Species To Survive
Over the past 2 billion years, Earth's continents have collided together to form a supercontinent every 200 to 600 million ... extinction some 252 million years ago, coinciding with the formation ...
New Scientist1y
Chicxulub: The asteroid that killed the dinosaurs
The collision was devastating: rocks from deep within Earth’s crust were raised ... show predatory marine reptiles from 200 million years ago may have been bigger than today’s blue whales ...
National Geographic news4mon
Precambrian Time
About 800 million years ago, oxygen levels reached about 21 percent and began to breathe life into more complex organisms. The oxygen-rich ozone layer was also established, shielding the Earth's ...