Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. Dean Regas: On the campus ...

Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

This video will make you think twice before you look at the sun. Astronomer Mark Thompson took a pig's eyeball and held it up to the lens of an 18 millimeter telescope pointed directly at the sun. The ...

When you look at the night sky, do you ever wonder what's going on out there? On a clear night with a dark sky, if moonlight doesn't wash it out, sometimes you can see the arc of the Milky Way. The ...

SUNSPOT, N.M. — You always hear that you shouldn’t look directly at the sun but astronomers at the only solar observatory in New Mexico are paid to do that. For the last 55 years, astronomers at the ...

In the film “2001: A Space Odyssey,” an astronaut travels through a seeming tunnel of light. (In the novelization, he radios to mission control: “The thing’s hollow—it goes on forever—and—oh my ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...