Indian Echo Caverns in Hummelstown offers exactly that experience, minus the expensive spacesuit and questionable freeze-dried ice cream. Here’s a fun fact: you’ve probably driven past the entrance to ...

Ever had an idea for something that looked cool, but wouldn't work well in practice? When it comes to designing things like ...

CU Boulder researchers have built high-performing optical microresonators, opening the door for new sensor technologies. At ...

For the first time, a much younger version of the sun has been caught red-handed blowing bubbles in the galaxy by astronomers using NASA's Chandra X-ray Observatory. The bubble—called an "astrosphere" ...