The lunar crescent will disappear below the horizon before midnight on Jan. 22.

By a small margin, Titan is the second-largest moon in the solar system, and is also the only moon with a thick atmosphere.

On January 14, 2005, a spacecraft landed on one of Saturn's moons! The European Space Agency's Huygens probe hitched a ride ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

Looking for a sky event this week? Check out our full Sky This Week column. January 22: Explore the Rosette Nebula The Moon passes 4° north of Saturn at 8 A.M. EST, then passes 4° north of Neptune at ...

NASA continues to uncover new discoveries wherever it deploys its technology. A few years ago, it discovered that the Cassini ...

Sky This Week is brought to you in part by Celestron. Friday, January 9Mars is in conjunction with the Sun at 7 A.M. EST, ...

On January 14, 2005, the Huygens probe landed on Saturn’s largest moon, Titan. Huygens remains the first and only landing in ...

Do you know which planet could float in a giant bathtub? Discover the science behind its low density, its hundreds of moons, ...

Sky This Week is brought to you in part by Celestron. Friday, January 9Cygnus may be sinking toward the horizon a few hours ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

Portugal has entered the small group of countries with experimental capability in hypersonic research ...