Does orbital motion really follow a simple mathematical law? 🛰️ This video shows how to verify Kepler’s Third Law for circular orbits, connecting orbital period and radius through gravitational ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through space.

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up ...

BepiColombo is slowly uncovering more and more fun facts about Mercury as it continues its preliminary mission. One of the ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

“They’re double dippers and finger lickers … and I just want to throw away everything they touched,” the man wrote on Reddit Erin Clack is a Staff Editor for PEOPLE. She has been writing about fashion ...

A man says he wants to toss one-third of his pantry items after his in-laws' holiday visit because he feels that the food has been "contaminated." He explained the dilemma in a post on Reddit's ...