Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.

Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, and star cluster in Charles Messier’s famous catalog. Photographer Alan Dyer ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

CWISE J1249+36, a low-mass runaway star, is traveling at an extraordinary speed that could propel it out of the Milky Way.

If you live in a big city or just travel a lot, then chances are you've gotten pretty used to how handy apps like Google Maps ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Researchers are painstakingly reconstructing the oldest-known map of the night sky – previously thought lost forever – by ...

Alan Ritchson's new Netflix sci-fi movie War Machine has impressed critics on Rotten Tomatoes as the film hits streaming.

In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

RPGs don't always require compelling stories or innovative trappings to be fun. Sometimes, all you want or want are a few ...