Galaxy cluster Abell 1489, as imaged by the International Gemini Observatory, contains more than 200 of the ...

The Hubble Space Telescope celebrates 35 years of groundbreaking discoveries, stunning imagery, and a lasting impact on ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

After more than a decade of mapping billions of stars across the Milky Way and beyond, a groundbreaking spacecraft is ...

To best see the Lyrid meteor shower, Griffith Observatory's director suggests heading to the mountains or desert to get away ...

Modest binoculars or a small telescope are all you need to see the Beehive Star Cluster. Appearing as a circular patch of ...

They were invented by John Dobson, a populist proselytizer who championed the view that ... a comet or an erupting star would dispatch a telegram to the Harvard College Observatory, from which ...

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

Arizona's dark-sky places: Best locations to see meteors, stars, planets and ... observing programs where they can view ...

At ESO’s Paranal Observatory in Chile’s Atacama Desert, visitors can experience some of the darkest and clearest night skies ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Greenwich Observatory said the best way to see the showers is at a dark site with an unobstructed view of the sky. The Lyrids ...