All of the water on the Earth, gathered together, looks like just a tiny marble. The Jovian moon Europa has 2-3 times as much. Scientists think that beneath an icy surface lies an ocean 80 to 170 kilometers deep....

(vimeo link) We hear estimations of the size and age of the universe, but how do they figure these things out? Find out in this video from the Royal Observatory Greenwich. It's part of an exhibit called "Measuring the...

What happens when the Bad Astronomer goes full hipster on Twitter? A new meme is born! Science-related hipster jokes are showing up with the hashtag ##BadAstrohipster. The jokes aren't limited to Twitter, either...

(YouTube link) Mark your calendar, because you...  ...story of how it all happened was summed up at Bad Astronomy . Link

Maybe we should have kept Pluto! A star 127 light-years away shows evidence of having a record (as far as we know) nine planets revolving around it. The star is designated as HD 10180, in the southern constellation Hydru...

(YouTube link) Astrophysicist and geek idol Neil deGrasse Tyson watched the 1997 film Titanic and noticed the stars in the sky during the scenes when (spoiler alert) the boat sank. They were not the stars that would hav...

The following is an article from the book Uncle John's Bathroom Reader Plunges Into the Universe. Stop that. You're not 13 anymore. And besides, Uranus is possibly the best planet ever. Really. LOOKING AT URANUS...

The Solar Dynamics Observatory (SDO) is a NASA sat...  ...the Sun? Answer: night. See the video at Bad Astronomy . Link

A neutron star is the compact, collapsed remnant of a star after a supernova. By stellar standards, they're tiny. As you can see from this image provided by NASA, a neutron star can be as small as ten to fifteen miles ac...

(YouTube link) A solar flare erupted on Tuesday (March 6) that sent a storm of particles toward Earth. As they arrive today, the storm may affect satellite transmissions and power grids. They may also produce extreme...