A quiet, glowing gas cloud has been hiding in plain sight not far from Earth. For decades, astronomers have predicted that ...

NASA has discovered an interstellar comet that's wandered into our backyard.The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

The American Astronomical Society (AAS), the SETI Institute, and the NASA Community College Network (NCCN) have teamed up to ...

Hidden in the vast western frontier of Texas lies a natural masterpiece that somehow remains the Lone Star State’s best-kept secret. Big Bend Ranch State Park in Terlingua offers 311,000 acres of ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

COZMIC clones of the Milky Way Each COZMIC (COZMIC I, COZMIC II, and COZMIC III) run starts with the same early‑ universe snapshot but tweaks the way invisible particles behave. Instead of a single ...

Phil Plait is a professional astronomer and science communicator in Virginia. His column for Scientific American, The Universe, covers all things space. He writes the Bad Astronomy Newsletter ...