Deep-sky objects shine and the giant planets show off their satellites as the bright light from the Moon disappears from our ...

The Fighting Dragons of Ara, also called the Rim Nebula and cataloged as NGC 6188, comprises dark, star-forming clouds and bright young suns.

Albert Einstein’s theory of general relativity is just over 100 years old, and so far it has predicted the interaction between celestial objects and the space-time field very well. There are a few ...

How far can sound travel through space, since it’s so empty? Is there an echo in space? – Jasmine, age 14, Everson, Washington In space, no one can hear you scream. You may have heard this saying.

On Jan. 20, 1930, Edwin “Buzz” Aldrin was born in New Jersey. After graduating from West Point and serving as a fighter pilot in the Korean War, Aldrin completed his Ph.D. at MIT in 1963. When he was ...

In this episode, Astronomy magazine Editor Emeritus Dave Eicher invites you to head out on the evening of January 27 to see the Moon pass the Pleiades star cluster, which lies in the constellation ...

When the Huygens probe dropped into Titan’s atmosphere on Jan. 14, 2005, no one knew what to expect. For landings on Mars or the Moon, mission scientists plotted out landing sites with meticulous care ...

Voyager 1 has now traveled more than 16 billion miles (26 billion kilometers), drifting past Jupiter and Saturn on a long haul out of the solar system. And its incredible success helped pave the way ...

The great Age of Exploration may be over on Earth, but it’s just getting going on Titan, Saturn’s largest moon. It’s a world larger than even the planet Mercury. NASA’s Cassini spacecraft surveyed the ...

Beyond our solar system, sub-Neptunes — gassy planets larger than Earth but smaller than Neptune — reign as the most common type of exoplanet observed in our galaxy. Despite their prevalence, no such ...

Comet 24P/Schaumasse is roughly 10th magnitude, visible using optics or in astrophotos of the sky. Rising shortly before local midnight, Schaumasse is best seen in the early-morning hours — and with ...