Cosmic Journeys is a documentary series on various astronomical and space-related subjects, e.g. supermassive black holes, Apollo 12, whether the universe is infinite and many more. The creators, SpaceRip have a lot of other, shorter videos online as well. They are indexed here. Most, if not all, of the videos are available in HD.
posted by Kattullus on Dec 30, 2010 - 2 comments

Quantum Mechanics: Myths and Facts (pdf), a recently-updated paper on the Cornell arXiv peer-review site. By Hrvoje Nikolić of the Rudjer Bošković Institute in Croatia. [more inside]
posted by XMLicious on Feb 25, 2008 - 47 comments

Massive explosion rocks NASA And Pasadena, and a few other places, too. It's not every day you get to watch a black hole form. Includes cool animation (.mov file). Seems the gamma ray burst detector picks up two or three significant events every month or so.
posted by kewms on Mar 20, 2003 - 13 comments

Wot, no black holes? Those wacky boffins in science land have already had a pop at the Higg's boson, but now they're moving on to everybody's favourite theoretical singularity, with a new theory about what happens when a star kicks the astral bucket.
posted by stuporJIX on Jan 26, 2002 - 6 comments