Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

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

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing ...

As the final month of the year begins, early evenings offer just one naked-eye planet. Fortunately for us, that lone world is Saturn. The ringed planet lies high in the northwest as twilight fades, ...

December in the Northern Hemisphere features Jupiter as the “Christmas Star,” the rise of the full Cold Moon — a supermoon — and the return of bright Winter stars.

Yet another Supermoon, the Geminid Meteor Shower and the Winter Solstice round out some of the biggest astronomical events to ...

There’s magic in the air this holiday season and there’s also magic in the  December Pottsville night skies. These long ...

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 ...

A good satellite tracker app can turn your phone into a personal guide to the cosmos, showing you everything from the ...

Lockheed is best known for fighters and space projects, but it once played a significant role in commercial aviation.

On Nov. 28, from 6 to 8:30 p.m., the Dome Room will again open to the public to see the constellations. The presentation, ...