The Moon’s surface has been sampled, scanned, and photographed for decades, yet one of the most basic questions about it ...

A new compact X-ray telescope may finally give scientists the first complete map of the Moon’s elemental composition, ...

I stuck to my "no telescope" rule for years, right up until a trip to New Brunswick's dark-sky corridor a few years ago, when ...

A lightweight new X-ray telescope could finally give scientists something they’ve never had before: a complete chemical map ...

The James Webb Space Telescope is one of the most impressive pieces of technology ever made, but that doesn't mean it needs ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American My research centers on the search for the ...

For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars in the universe affect light emitted from the Big Bang. Using telescopes ...

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 ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

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 ...