How much energy should the game be entitled to burn for spectacle? The numbers come down a lot with LED lights.

Sky This Week is brought to you in part by Celestron. Friday, September 26The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand ...

Comet Lemmon, a potential “comet of the year,” may glow as a bright green comet in October and November 2025. Here’s ...

From nostalgic crossovers to interactive play, these festive picks are ready to capture wish lists and gift guides this ...

October nights are famed for their ghastly Halloween frights, yet the skies in fact bring rather friendly and benign ...

Solar string light bulbs can range from 5 to over 100 lumens per bulb. Buyers often choose solar lights for their glowy appearance rather than their brightness, so lower lumens often work well to set ...

NASA's James Webb Space Telescope has revealed a colorful array of massive stars and glowing cosmic dust in the Sagittarius B2 molecular cloud, the most massive and active star-forming region in our ...

Marvel at the beauty of birds and learn the stories behind our favorite images from this year’s contests—featuring, for the ...

See the crescent moon shine with Mars at sunset on Sept. 24. The crescent moon shines close to Mars above the western horizon ...

A tiny particle that smashed into Earth with a record-shattering energy of 220 petaelectronvolts could be the last scream of an evaporating black hole.

Annette McGivney is a Colorado-based journalist who often writes for Arizona Highways Magazine; her article in the September ...