Extraterrestrial Life

The Dragon capsule is due to deliver 544 kilograms of scientific experiments and supplies to the space station on Saturday

A Jupiter-like gas giant, 335 light-years from Earth, is caught in the process of formation by the European Southern Observatory's Very Large Telescope in Chile

The discovery could help astronomers better understand how these behemoths grow

Cassini's observations are giving scientists a look at processes that occur during star explosions

The newly detected world is smaller than any of the solar system’s planets and just a bit larger than our moon

Rocketing through space at more than three million kilometers per hour, six speedy stars were likely ejected from the giant black hole in the center of the Milky Way

Water on the moon was there as the moon formed, not delivered later by solar wind and comets

Researchers estimate that 6 percent of red dwarf stars may be orbited by Earth-like planets, including a candidate 13 light-years off. Karen Hopkin reports

Beneath its pretty pink exterior, Messier 106 harbors a monster black hole that gobbles up matter at the galaxy’s center

Astronomers estimate 4.5 billion Earth-like planets are spread throughout the Galaxy

Kepler space telescope astrophysicist Martin Still looks for Earth-like worlds and tracks the death of stars as he ponders the possible demise of his own program

Based on exoplanet observations made using the Kepler space telescope, astronomers estimate that our galaxy's ratio of stars to planets is at least one to one. Karen Hopkin reports