Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.

A pull in the right direction ...

Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

Scientists studying Jurassic rocks in China found that cyclical changes in Earth's orbit affected not only the climate, but ...