On January 4, 1970, NASA cancelled the Apollo 20 moon mission. This came just six months after Apollo 11 astronauts Buzz Aldrin and Neil Armstrong became the first people to ever set foot on the moon.

Saturn leads the solar system with 274 moons. From Titan’s methane lakes to Enceladus’ geysers, explore the diverse worlds of ...

Looking for a sky event this week? Check out our full Sky This Week column. January 30: The Moon and Jupiter share Gemini ...

The atmospheric carbon dioxide was thought to be the result of the oxidation of oxygen molecules in the exosphere. As a ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the Northern Hemisphere).

Sky This Week is brought to you in part by Celestron. Friday, January 30The Moon passes 4° north of Jupiter this evening at 9 P.M. EST. The pair is visible most of the night in the central region of ...

Here’s exactly when, where and how to see a beautiful crescent moon grow in the southwestern sky after dark every night this ...

The month is packed with skywatching highlights—including six visible planets, an annular solar eclipse, and the Milky Way’s bright core returning to view in the Northern Hemisphere.

As the night sky unfolds on Saturday, January 24, stargazers are in for a delightful treat. The Moon will be positioned uniquely between a prominent planet and a bright star, creating an extraordinary ...

The first crewed mission around the moon in more than 50 years is coming up. Here’s how to see it at sites in and around the ...

While February is fairly quiet, celestial event-wise, you'll also be able to catch six planets in the sky at once at the end ...