NSF Sponsors Science Communicators’ Conference and Launches Complementary Web Site: Eyes on the Sky Eyes on the Sky tells the story of NSF’s role in supporting ground-based astronomy and together with ...

One hundred years ago, Edwin Hubble made the first discovery of galaxies outside of our own. In 1923, Hubble found a way to view individual stars within the Andromeda Galaxy, which is 2.537 million ...

The University of Arizona’s oldest telescope officially turns 80 tomorrow. But far from being a museum piece, the 36-inch telescope now has a new telescope building, “so that in the distant future, ...

This may seem like the cry of a panicking news reporter in a lurid sci-fi tale, but it’s actually a scientific fact — albeit a slightly hyperbolic one. Mysterious cosmic rays traveling at speeds ...