A free PDF download from NASA on all things SETI, specifically the challenges of interspecies interstellar communication.
A beautiful exploration of the Star Axis sculpture—an artwork of the Long Now.
The ancients had pyramids to tame the sky’s mystery. We have Star Axis, a masterpiece forty years in the making.
A gorgeous interactive visualisation of our local galactic neighbourhood.
Defending Earth against asteroids, just like the Spaceguard organisation described in Rendezvous With Rama.
Detect. Deflect. Defend.
Zooniverse have done it again. Now you can help in the hunt for sources of gravitational lensing.
It’s informative. It’s fun. It has genuine scientific value.
Peter Saville talks about the enduring appeal of his cover for Unknown Pleasures.
I like to think of all the variations and mashups as not just tributes to Joy Division, but tributes to Jocelyn Bell Burnell too.
This is not only the single most important human endeavour that you can participate in, it is also ridiculously gorgeous.
The story behind one of the winning photographs at this year’s Astronomy Photographer Of The Year that I was lucky enough to attend. This is beautiful.
Would you like SETI to resume sweeping the skies in search of extraterrestrial life? Now you can put your money behind re-kickstarting that noble mission.
Another great Zooniverse project: find planets by looking for tell-tale signs of light distortion from distant stars.
The latest Zooniverse project is a beauty: you can help spot bubbles in infra-red images of nebulae.
A blog documenting printed visions of space exploration in the form of children's books.
I was invited along to the 2010 Astronomy Photographer of the Year awards ceremony in Greenwich but alas, I wasn't able to make it. Looks like it was fantastic.
The search for Dyson spheres.
This web page is half a mile wide.
A free open source planetarium for your computer.
The “blind astrometry server” is a program which monitors the Astrometry group on Flickr, looking for new photos of the night sky. It then analyzes each photo, and from the unique star positions shown it figures out what part of the sky was photographed and what interesting planets, galaxies or nebulae are contained within.
An advent calendar from the Hubble telescope. Check back every day for a new image.
Ariel has put together a list of 100 space-related Twitter accounts.
HubbleSite - NewsCenter - The Carina Nebula: Star Birth in the Extreme (04/24/2007) - Release Images
Another stunning image from the Hubble telescope. This image is heart-stoppingly beautiful.
This picture of Saturn, taken from the Cassini probe, is literally incredible: it doesn't look real.