A sebecid tooth and two vertebraes found in the Dominican Republic show that the crocodile species persisted in the Caribbean ...

F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.

More and better kinds of screening as well as new, more targeted treatments are making breast cancer less deadly.

Learn more about a meteorite impact that may have given rise to the life we know on Earth today.

Learn why water levels are important to understand on the moon and how it could impact future missions to build exploration bases.

Early cancer biomarkers found in urine can improve screening procedures for the all-too-common prostate cancer.

For the first time, astronomers located a molecular cloud by detecting hydrogen, its key component, rather than other ...

Learn how dopamine helps encode and extinguish fear in the brains of mice.