T Cha is no ordinary young, Sun-like star. It is surrounded by a circumstellar disk, the dense, rotating structure of gas and ...

Scientists have reconstructed the head of an ancient human relative from 1.5 million year-old fossilized bones and teeth. But the face staring back is complicating scientists' understanding of early ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system ...

A McGill University student has made an extraordinary discovery—a 75-million-year-old dragonfly fossil from the late ...

Grand Canyon fossils in the Bright Angel formation reveal 500M-year-old animals with dual feeding structures, reshaping ...

The undisputed centerpiece of any visit to Bayard is Chimney Rock National Historic Site, located just a few miles southeast of town. This natural spire rises dramatically from the surrounding plains, ...

Caltech is a place unlike any other, an Institute that is truly “small but mighty.” Its small size and the expertise of its ...

The transition from simple chemistry to the complex biology of molecules that gave rise to life is a puzzle that scientists ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

A funding crisis at the Museum of the Earth and the Paleontological Research Institution in Ithaca, N.Y., could scatter ...

An overlooked community absorbs 50-100 times as much carbon dioxide from the atmosphere per square meter as tropical ...

When the Perseverance rover arrived on Mars nearly five years ago, NASA officials thought the next American lander to take ...