The recently launched Dark Matter Particle Explorer takes the hunt to space.
Infrared observations by the Hubble Space Telescope reveal jets from a forming star.
Astronomers studying hot Jupiter exoplanets revealed when and how clouds form on these alien worlds.
Keep up with Comet Catalina as it sails northward toward the Big Dipper, watch a webcast of the Moon covering the bright star Aldebaran, and look for elusive Mercury low in the west after sunset.
Three stars that once belonged to Orion flew the coop millions of years ago, but you can catch up with them with binoculars on the next clear night.
This month offers great variety in the night sky: planets (and a comet!) before dawn, a strong meteor shower, and a parade of bright stars after sunset.
Following a wildly popular contest, the International Astronomical Union has named 14 stars and 31 planets that orbit them.