The number 45 matters less than what it represents: the shift from open-ended discovery to structured search, and from chance to strategy. Regardless of the final number, we are about to learn more about the existence of biology on other worlds, and that is exciting.

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.

With college students less likely to read through a full textbook than they once were, video games can help keep them engaged.

The decades since scientists confirmed the first planet around another star have been rich in discovery, but it’s rare to see a new solar system as it forms

For the first time, scientists have reconstructed the full history of a galaxy outside the Milky Way using chemical clues. By analyzing oxygen across NGC 1365 and comparing it with simulations, they traced its growth over 12 billion years.

Stellar streams are trails of stars that astronomers can study to solve mysteries about the history of our Milky Way galaxy and, potentially, the dark matter that helps shape the cosmos despite eluding direct observation.

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 ...

Why doesn't Astronomy magazine recognize Messier 110? Keith LankfordHarvest, Alabama Amateur astronomers dubbed this object M110 in the 1960s, so we choose not to include it. Charles Messier's list

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 ...