Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

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 ...

Sky This Week is brought to you in part by Celestron. Friday3Pluto reaches conjunction with the Sun at 5 A.M. EST. Also this ...

Look to the west-southwest after dark on Thursday, Jan. 22, to see a 17%-lit waxing crescent moon moving close to the ringed ...

A crescent moon will pair up with Saturn tonight, Jan. 22, setting the stage for a short but sweet cosmic display just after ...

Scientists have discovered that hydrogen cyanide forms strange "icy cobwebs" at low temperatures. These structures act as a ...

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

In high enough doses, hydrogen cyanide can kill an adult human in minutes, but the chemical may be the reason why we’re here ...

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

The Instituto Superior Técnico (IST) conducted its first hypersonic test, in which the speed reached is equivalent to "crossing mainland Portugal, from north to south, in just over five minutes," the ...

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

A Silicon Valley startup is accepting applications for a planned Moon hotel, with reservation deposits up to $1 million and total trip costs expected to exceed $10 million per guest.