Want to help name a faraway planet? Read this.

Uwingu is accepting recommendations for names of planets orbiting distant stars. All names will go into a database for final selection by astronomers and others.

NASA beams Mona Lisa to the moon

Image of Mona Lisa becomes first-ever laser communication at planetary distance.

What exploded over Russia? Watch two videos with new answers

Two videos present the latest results - as of February 26, 2013 - on the meteor that exploded over Russia on February 15.

Animated GIFs of deep space objects in 3D

These animated images - created via artificial volumetric models - help convey the idea of what these space objects must really be like.

Video: Why isn’t Pluto a planet anymore?

Video by C.G.P. Grey does a good job explaining why, in 2006, the International Astronomical Union demoted Pluto to dwarf planet status.

Video: Watch coronal rain fall on sun’s surface

Beautiful NASA video showing fiery looping "rain" on the sun - the solar phenomenon known as coronal rain.

Video: Zoom into the constellation Scorpius

Zoom into the constellation Scorpius to find stellar nursery NGC 6357 – also known as the Lobster Nebula.

What is a light-year?

Hint: A light-year is a unit of distance, not time.

Video: What is the universe? (in 2 minutes)

The universe explained in two minutes.

Video: Another beautiful capture of asteroid 2012 DA14

Video of February 15 flyby of 2012 DA14, as it passed inside the moon's orbit last Friday. This one is beautiful in its simplicity.