16. Despite Mercury's extreme temperatures (like, up to 800 degrees Fahrenheit), it's believed to have ice at its north and ...

Discover 100 interesting facts to fuel your next conversation! Break the ice, spark curiosity, and become the most engaging ...

In celebration of Earth Day, here are nine wins for the planet in 2026.

NASA has uncovered major new clues on Mars that could point to alien life. The space agency’s rover has found chemicals on ...

An accounting of all the water that should have been and gone on Mars’s surface has come up with a discrepancy that shows just how little we understand the Red Planet’s hydrological history A billion ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit ...

Metrolink offers fare-free rides for Earth Day 2026 across Southern California, encouraging sustainable travel and reduced ...

How much do you know about our planet? Here are the amazing, odd and downright cool Earth facts scientists learned in the ...

Black holes get their power from the extreme density of matter. They are created when massive stars collapse. This collapse ...

We play the brand-new song from Suzy Cato, plus music from Miss Nadia, Hey Duby, and Ceebee Teatime. There are kid comedians, we ask kids what rules they have at home, and there are more fun facts ...

"Please make Pluto a planet again. I really want it to be a planet again," Kayla begins, eliciting a response from the NASA ...