California is a great place for spelunking -- aka exploring caves. While you might think one cave is like another, each one is unique and these are the best.

NPR's staff traveled a lot in 2025. From a Mardi Gras workshop to a festival celebrating the mythical Mothman, here are some places and events we thought you might want to check out, too.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Elon Musk in a recent interview has shared his perspectives regarding the existence of aliens, sightings of UFOs, and widespread internet conspiracy theories. While talking to Kattie Miller on her ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

Something very significant has been happening in plain sight, and almost no one seems to be noticing. Over the past few years, there have been televised congressional hearings, repeated news segments ...

Last year, on a warm, sultry summer day, I was navigating boulders on Blue Mountain in Ryegate with my dog Lucy. I was ...