Atlantis in Orbit   05.11.09
The Space Shuttle Atlantis is in orbit after an on-time liftoff at 2:01 p.m. EDT. The shuttle's mission is to service the Hubble Space Telescope. 

Debris Update   05.11.09
U.S. Strategic Command has tracked 981 pieces of the two satellites that collided in February. On this three-month anniversary of the collision, veteran satellite observer Daniel Deak has prepared a set of 3D orbital debris maps. 

Parting Shot   05.11.09
The Hubble community bids farewell to the soon-to-be decommissioned Wide Field and Planetary Camera 2 onboard NASA's Hubble Space Telescope with a final, beautiful shot. 

New Eyes in Space   05.07.09
Two of the most sophisticated astronomical spacecraft ever built - Herschel and Planck - will be launched together by ESA this month. 

05.14.09
Herschel: Launch

05.14.09
Planck: Launch

05.24.09 (12:11 UT)
New Moon

05.25.09
1st Anniversary, Phoenix: Mars Landing

05.25.09 - 11.10.08
1st Anniversary, Phoenix: Surface Operations

05.29.09
35th Anniversary, Luna 22: Launch

05.31.09 (03:22 UT)
First Quarter Moon

05.31.09 (03:22 UT)
First Quarter Moon

06.02.09
Lunar Reconnaissance Orbiter: Launch