Meet the telescope behind the Pac-Man photos

According to the memes circling around this weekend, Mecha Pac-Man has a fondness for lunar cheese and starlight, gaping wide to gobble them both. In reality, the telescope behind the Pac-Man photograph is Auxiliary Telescope 2, an essential component of the most productive ground-based telescope on the planet. »3/11/14 6:08pm3/11/14 6:08pm


Astronomers may have just discovered the first known free-floating planet

You'll notice there's no parent star in this concept art of recently discovered (and unsexily named) CFBDSIRJ2149. That's not a mistake. In fact, it was a very conscious decision on the part of the artist. Because CFBDSIRJ2149 has gone rogue. It's homeless. A wandering planet, it orbits no star — which could well make… »11/14/12 6:30pm11/14/12 6:30pm

It's Full of Stars: 84 Million Stars of the Milky Way in 9 Billion Pixels

It's impossible to capture the scale of our galaxy on your computer screen, but darned if the European Southern Observatory isn't going to try. The observatory has released a 108500×81500 pixel mosaic of the central parts of the Milky Way. You weren't planning on doing anything else with your weekend, right? »10/27/12 4:00pm10/27/12 4:00pm