While the series finale of "Stranger Things" wrapped up many of the show's narrative threads, some aspects of the plot still ...

Saturn’s largest moon has long looked like a frozen time capsule of early Earth, but a new set of measurements has upended ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

These dust particles, finer than sand grains, originate from cometary tails and asteroid collisions, posing unseen risks to ...

Astronomers have just confirmed for the first time the existence of a "rogue planet"—a world drifting in space without being ...