Methane fluorescence detected in hot Jupiter exoplanet atmosphere with ground-based telescope.
NASA gives slim odds of hearing from frozen Mars Phoenix Lander, but scientists still hope to hear something.
NASA's Odyssey orbiter will listen for signals from Phoenix Mars lander to see if craft survived Martian winter.
Strange dust from planetary collisions and disks around massive stars point to very alien extrasolar systems.
New Chandra X-ray Observatory images and computer models show why the Milky Way black hole is starving.
The 2010 meeting of the American Astronomical Society billed as biggest astronomy meeting in the universe.
Many important astronomical discoveries unexpected; future findings likely to be serendipitous as well.
From snowfalls on Mars, to the polar craters of the moon, take a tour of the solar system’s chilliest spots.