Video: Summer Blue Moon

On July 31, the moon becomes full for the second time this month. Modern folklore says the second full moon is a Blue Moon. New video from NASA.

Tiny, but still densest known galaxies

Smaller in width than our Milky Way, their stars are packed 10,000 to a million times more densely than in our sun's neighborhood. Imagine the night sky!

Latest images of Pluto’s flowing ice

Latest images from NASA's July 14, 2015 flyby of Pluto by the New Horizons spacecraft, showing evidence of an active surface on Pluto with flowing nitrogen ice.

Infographic: Pluto!

Pluto info at a glance, from our friends at space-facts.com.

Pulsar punches hole in stellar disk

Two stars in a double system are not playing nice. One star, a pulsar, has punched a hole in the disk of the other, sending debris outward at 7% of light speed!

Kepler-452b is older, bigger Earth cousin

The Kepler mission has confirmed the first near-Earth-size planet in the habitable zone - or zone where liquid water can exist - around a sunlike star.

What black holes like to eat

Astronomers have caught a monster black hole in the act of eating a star. But, they say, stars are not standard fare for black holes.

More ice mountains in Pluto’s heart

A second range of ice mountains has been found on Pluto, in images from New Horizons.

Closest views yet of Nix and Hydra

Pluto has five known moons, and it's a bit surprising that New Horizons hasn't found any new ones yet. Newly released images show small moons Nix and Hydra.

Philae comet lander falls silent

The Rosetta team is hoping that a software patch will help re-establish reliable contact with the little Philae lander, lodged somewhere on the comet's surface.

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