The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

Proliferating satellites are beginning to harm the science work of the beloved Hubble Space Telescope and other observatories ...

Find out what's up in your night sky during December 2025 and how to see it in this Space.com stargazing guide.

Bright stars and a lone bright planet are visible at dusk as December begins. The Summer Triangle of Vega, Altair and Deneb ...

A technique called interferometry can greatly magnify tiny objects on the sky, and is powerful enough to reveal the surfaces ...

On most nights, city skies hide the stars. Streetlights, buildings, and cars fill the air with artificial glow that drowns ...

Researchers propose Aguada Fénix’s vast architecture forms a cosmogram aligning structures with Mesoamerican calendar sunrises and directions today. Color-coded pigment caches and marine shells in ...

Jeffy Mai is the Associate Editor for Eater’s Midwest region, and has been covering Chicago’s dining scene for over a decade. Chicago’s fine dining beacon Alinea has lost a Michelin star — and the ...

"Astronomers have wanted to spot a coronal mass ejection on another star for decades. We’ve now managed to do this for the first time." Thanks to the European Space Agency (ESA) spacecraft XMM-Newton, ...