Mercury reaches its greatest western elongation at 4 A.M. EDT, standing 19° from the Sun. The tiny planet reaches an altitude of almost 5° above the eastern horizon an hour before sunrise, glowing at ...

This rich grouping of young suns shines brightly in Aquila the Eagle, ripe for observing just after sunset and before ...

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

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

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

On Aug. 5, a SpaceX rocket will hit the Moon near Einstein Crater, giving scientists valuable data on crater formation and ...

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

A British photography student has achieved a potential first: creating photographs by exposing film to cosmic radiation ...

The FCC approved a demonstration satellite designed to beam sunlight to Earth at night, ruling that the light pollution, ...

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

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