An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...
At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...
Some of the most dramatic climatic events in our planet's history are "Snowball Earth" events that happened hundreds of ...
Researchers show the average surface temperature on our planet has shifted between 51.8 to 96.8 degrees Fahrenheit ...
Researchers have found evidence suggesting that our planet may have once had a ring system around 466 million years ago.
A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...
Some of the most dramatic climate events in history are the Snowball Earth episodes, which occurred hundreds of millions of ...
A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...
To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician period – the second of six periods in the ...
Researchers created a curve of global mean surface temperature throughout deep time, providing context for understanding ...
“Too much of the world, it seems, has come under human influence during a time when we’re not very good at working out how to ...
Our Earth is about 4.5 billion years old and, through careful work, scientists have pieced together a timeline of its past.