More sunspots appear on the Sun, a possible indication that it might finally be moving out of solar minimum.
The Cryogenic Dark Matter Search has so far been unable to convincingly detect dark matter particles.
Melting and migrating water ice may be the reason for the different colors of the hemispheres of Iapetus, a moon of Saturn.
The Cassini spacecraft is able to observe the hexagon around Saturn's north pole in visible light.
Supernova SN2007bi turns out to be the explosion of a massive star heavier than 150 suns that blew up and left nothing behind.
There may be many more lakes around Titan's north pole than the south pole because of Titan's seasons and the moon's elliptic orbit around Saturn.
Further analysis with the WMAP data suggests that the cosmological dark flow is real.
Oceans are no longer absorbing carbon dioxide from the atmosphere like they used to.
Astronomers have spotted a potential Type Ia supernova in our own galaxy.
The Large Hadron Collider has circulated two counter-rotating beams, and the CMS experiment recorded its first collision event.
