A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...

Understanding where and in what quantities essential elements for life have existed on Earth's surface helps explain the ...

Scientists have long agreed this event was triggered by a sudden surge in greenhouse gases which resulted in an intense and ...

Scientists estimate that the first generation of reptiles evolved between 320 and 310 million years ago, this group was later dominated by dinosaurs which paleontologists say they evolved on Earth ...

The origin of life is one of the most fundamental and enduring questions of mankind and one of the three greatest Origin ...

Researchers of the Siberian Branch of the Russian Academy of Sciences have reconstructed the likely appearance of an extinct group of comb jellies, one of the oldest known animal phyla. Their findings ...

"Very massive stars are like the 'rock stars' of the universe — they are powerful, and they live fast and die young." ...

Wild tomatoes in the Galápagos may be reversing evolution—reawakening ancient traits, surprising scientists at UC Riverside.

In 1921, William Bell Riley admonished his opponents that they should “cease from shoveling in dirt on living men,” for the ...