Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light ...

Two Micron All-Sky Survey (2MASS) imagery was used to create a animation of the warp of the Milky Way galaxy. Credit: 2MASS, Adrian Price-Whelan ...

Radio astronomy opens a window onto the invisible universe. While our eyes can detect visible light, countless objects in ...

Just how far can we see on a clear, dark night? If you're a regular reader of this column, you know that the stars overhead ...

Look for the three stars that make up the distinctive formation of Orion's Belt — Alnitak, Alnilam and Mintaka — shining ...

For 50 years, astronomers have been searching for evidence of winds emanating from the black hole Sagittarius A*. Now, they ...

The supermassive black hole at the center of the Circinus galaxy is being fed with gaseous material by two spiral arms, ...

Since the 1970s, Voyager 1 has been making groundbreaking discoveries. But its journey is far from over, and it's still ...

NASA’s “What’s Up” guide for October 2025 outlines the month’s best celestial events, including Moon–planet pairings, meteor showers, and stargazing tips for observers worldwide.

Now, astronomers have found a star that may be as close as we’ve ever come to witnessing one of the primordial stars. Known ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the Universe), states ...

Three Yale alumni - the epidemiologist and harm reduction advocate Nabarun Dasgupta '03 M.P.H.; archaeologist Kristina Douglass '16 Ph.D.; and ...