Astronomy
- Solar Impact (March 2009 cover story)
- Changes in the Sun’s energy may affect Earth’s climate unexpectedly.
- Destination: Mars (Nov 2007 cover story)
- Phoenix will look for signs of life on Mars–and that’s just the beginning.
- South Pole Telescope Readied for Operation
- The largest telescope has seen ‘first light’ at the South Pole.
- A New Way to Measure Black Holes
- Astrophysicists measure the mass of black holes by looking at ‘clumps’ of circulating gas.
- Saturn’s Smoking Guns
- Two more of Saturn’s moons may be geologically active and potentially volcanic.
- Messenger’s Last Visit to Venus
- NASA’s Messenger spacecraft made one last flyby past Venus on its way to Mercury.
- A New Cycle is Dawning
- Solar Cycle 24 officially begun in January 2008, but astronomers still don’t know what to expect.
- Opportunity Readies for Crater Dive
- The Mars rover Opportunity will descend into the Victoria Crater to look for ancient rocks.
- A Stunning Look Into Spiral Galaxy M81
- The Hubble Telescope has taken the clearest picture ever of Messier 81.
- Comet Discoverers Awarded
- The 2007 Edgar Wilson Awards go to quite a few amateur astronomers.
- Dawn Heads to Vesta (Finally!)
- After years of delays, Dawn launches to orbit two different asteroids.
- Really Remote Observing
- Scientist installed a robotic installation on what may be the finest observing site in the world, far atop the Antarctic Plateau.
