Skywatchers can enjoy a celestial alignment of the crescent moon, Venus, and Saturn on April 25, with Mercury visible near ...

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth ... planets - Venus, Jupiter, Mars, Saturn, and Mercury - line up in the ...

Get ready to put a smile on your face and have the sky smile back when the planets align over New York City this week. Venus, ...

The Moon, Venus, and Saturn are expected to briefly align into a rare formation resembling a "smiley face" this week, Nasa ...

Earth Day (8,192 by 8,192 pixels, 9.1 MB JPEG) Earth Night (8,192 by 8,192 pixels, 4.2 MB JPEG) ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

How You Can Help the Planet on Earth Day | Celebrate Earth Day on April 22. For 55 years, Earth Day has been raising awareness and advocating for the planet. This includes taking action on critically ...

Earth Day is on April 22. Here’s how to invest sustainably, and other ways to help the planet. The 2025 Earth Day theme is “Our Power, Our Planet.” It urges everyone to “unite around ...