The Dragon spacecraft finally set off to the International Space Station on Tuesday morning. On Friday, Dragon docked with the ISS and NASA streamed it live. If you want to relive the disappointment/excitement take a look at the NASA coverage.
In the run up to the launch, WIRED had a series of Q&As with experts in space history, policy and law, which are also worth a look.
A paper recently appeared on arXiv.org arguing that there are flaws in a study that claimed there was no dark matter where there should be near our solar system. Particle physics blog Résonaances has the story (not for the faint hearted, but worth a read if you're really interested):
As can be seen in the plot, correcting the wrong assumption leads to a perfect consistency between the data and the predictions assuming the presence of dark matter. pwned.
Jon Butterworth at the Guardian also wrote about the new paper.
The Square Kilometer Array telescope goes to... Australia and South Africa.
The best way to watch the solar eclipse. Or see it from space. And of course, APOD has a more usual, but still pretty amazing, view of the event.
The transit of Venus is nearly here.
Anything I've missed?