Scientists have produced the most tightly knotted physical structure ever known -- an achievement which has the potential to create a new generation of advanced materials.

Stanford physicist Peter Graham recently received a Breakthrough New Horizons in Physics Prize for his new direction for looking for the most basic laws of nature.

NASA scientists are crisscrossing the globe in 2017 to investigate critical scientific questions about how our planet is changing and what impacts humans are having on it.

Wearable sensors that monitor heart rate, activity, skin temperature and other variables can reveal a lot about what is going on inside a person.

A research team reports that the moon is at least 4.51 billion years old, or 40 million to 140 million years older than previously thought.

Replacing one daily portion with poultry or fish may lower risk, findings suggest.