The Eberly Telescope Dark Energy Experiment (HETDEX) has discovered tens of thousands of gigantic hydrogen gas halos, called "Lyman-alpha nebulae," surrounding galaxies 10 billion to 12 billion years ago.

Look up in April 2026 for Venus and Jupiter, the Lyrids peak, zodiacal light after the new moon, and a short window to catch a planet parade.

Introduction to Astronomy is a college class usually filled with excitement and a lot of questions about outer space. Questions like: What are black holes? Are there planets out there that are habitable? Why is Venus's climate so different from Earth's ...

Fast solar winds originating from the sun can have direct impacts on Earth—disrupting systems like GPS, aviation, electrical grids, and satellite and radio communications. A new paper by New Mexico State University astronomy graduate student Khagendra Katuwal examines the connection between coronal holes and solar wind streams,

The Elkins Park Skywatchers gathered for a watch party as the Artemis II mission began Wednesday night.

Have telescope, will travel, sometimes really far. The University of Virginia Occultation Group, astronomy undergraduates who observe and track asteroids and small planets, make most of their observations locally. But they also travel around the country ...

Nat” Chris Mentrek invites anyone interested in astronomy to sign up and log on for his free virtual programs this spring. This season’s virtual programs are: “Black Holes” on

One day, while I was looking at the credits for an attractive image on AstroBin, I noticed the camera listed was “Player One.” I wondered who that company was. As time went by, I saw similar credits for other images. Something was going on and I wanted ...

I never expected to destress from double-postponing my wedding by staring into space, yet there I was, spying on the heavens from my backyard in light-polluted Cleveland for the umpteenth night in a row. “That one’s Jupiter,” I whispered to my dog ...

Description: In 1965, MIT's Lincoln Laboratory saw their Lincoln Calibration Sphere 1 (LCS-1) launched into Earth orbit. It was an empty aluminum sphere and couldn't do any science of its own. But the world's most boring disco ball has played a huge support role in astronomy,