The sun arrives at the December solstice at 10:03 a.m. EST on Dec. 21. This is the farthest south the sun gets in the heavens; it begins its six-month return northward at the moment winter begins in ...

The first step on the moon was one of humanity's most exciting accomplishments. Now scientists are planning return trips—and ...

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

Plus, the Geminid meteor shower peaks on the night of Dec. 13-14, and the winter solstice arrives Dec. 21 at 10:03 a.m.

Keep an eye on the forecast for clear night skies, so that you don't miss out on the astronomical events occurring throughout ...

NASA's Perseverance rover spotted a possible space rock on the surface of Mars. The meteorite's nickname is 'Phippsaksla.' ...

On Nov. 2, 2000, the crew of NASA’s Expedition 1 opened the hatch to the International Space Station, which was the beginning ...

Skywatchers across the globe can look forward to a busy period of astronomical events from the final months of 2025 through ...

It is good to be back and there is plenty to explore in the December night sky. Starting on Tuesday is the comet C/2025 T1 Atlas, which makes its closest approach to the sun. There is a supermoon on ...

The Moon meets Mars in Saudi Arabia's AlUla, one of the last places on earth that saw no tourists till a few years ago ...