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 ...

As ever-larger telescopes are launched into space or built at high-altitude sites, these observatories still have wonders to share with visitors and astronomers alike. An archival photograph of the ...

The University of New Hampshire Observatory at night. The telescope is located inside the dome. Twice a month, on clear nights, the University of New Hampshire Observatory in Durham opens up to the ...