Space Station View of Noctilucent Clouds

Expedition 47 Flight Engineer Tim Peake of the European Space Agency photographed rare, high-altitude noctilucent or…

Hubble Rocks with a Heavy-Metal Home

This 10.5-billion-year-old globular cluster, NGC 6496, is home to heavy-metal stars of a celestial kind! The…

Hubble Rocks with a Heavy-Metal Home

This 10.5-billion-year-old globular cluster, NGC 6496, is home to heavy-metal stars of a celestial kind! The…

The Dark Side of Pluto

NASA’s New Horizons spacecraft took this stunning image of Pluto only a few minutes after closest…

The Dark Side of Pluto

NASA’s New Horizons spacecraft took this stunning image of Pluto only a few minutes after closest…

The Little Fox and the Giant Stars

New stars are the lifeblood of our galaxy, and there is enough material revealed by this…

The Little Fox and the Giant Stars

New stars are the lifeblood of our galaxy, and there is enough material revealed by this…

Great Barrier Reef Near Whitsunday Islands

An astronaut aboard the International Space Station used a powerful lens to photograph these three reefs…

Great Barrier Reef Near Whitsunday Islands

An astronaut aboard the International Space Station used a powerful lens to photograph these three reefs…

Scott Kelly’s Post-Flight Visit to Washington

Former NASA astronaut Scott Kelly speaks about his historic mission aboard the International Space Station during…