Mercury sits a few degrees due south of Pollux in Gemini early this morning, while Mars lies higher up along the ecliptic.

Saturn’s two-toned moon Iapetus passes through superior conjunction, sitting just south of the ringed world this morning.

There are big challenges associated with such a mission, from readying a craft quickly to finding the comet and sending data ...

SpaceX flies a classified NRO mission from Cape Canaveral, China launches back-to-back Long March rockets in a single day, ...

The waning Moon steps up to form a triangle in the early-morning sky with two distant planets: Saturn and Neptune.

When it comes to your astrophotos, capturing the right wavelengths makes a big difference. Here's how to choose the best filter for the job.

Mercury reaches its greatest western elongation, Iapetus passes close to Saturn, and the Moon occults the Pleiades in the sky ...

Astronomers caught helium escaping the habitable-zone world LHS 1140 b — a signal that strengthens the case for the planet's ...

Rising shortly after sunset, July’s Full Moon, called the Buck Moon, dominates the sky tonight with its bright light.

Solar and lunar eclipses both occur this month, as Mars and Jupiter meet in the early morning and the Perseid meteor shower peaks.

The Alpha Capricornid and the Southern Delta Aquariid meteor showers peak overnight, but the bright Moon will run ...

Just minutes after lifting off on its maiden voyage, a Long March 10B booster was recovered by a net-rigged ship at sea — a ...