The asteroid that caused the extinction of the dinosaurs also created an underground environment suited to supporting new life, and new research suggests it lasted for millions of years longer than ...

An ancient fossil bed in Mongolia preserves tiny organisms in remarkable detail. Some even have structures resembling embryos. But there’s something conspicuously missing: animals. That’s strange ...

It may be time for the animal kingdom to reset its clock. According to a new study by an international group of researchers, including a renowned Yale paleontologist, the beginning of animal life on ...

A spectacular fossil site in Canada contains 567-million-year-old creatures that may represent some of the earliest animals to move, reproduce sexually, and develop recognizable body plans. The ...

A catastrophic asteroid breakup may have triggered a huge wave of impacts across the inner solar system about 800 million years ago. The debris was launched from near a gravitational gateway ...

Science China Press] Earth’s magnetic field is generated by the convection of liquid iron in the outer core. It forms a ...