NASA is inviting the public to help search for possible undiscovered worlds in the outer reaches of our solar system and in neighboring interstellar space.
Supermassive black holes, with their immense gravitational pull, are notoriously good at clearing out their immediate surroundings by eating nearby objects.
Astronomers studying distant galaxies powered by monster black holes have uncovered an unexpected link between two very different wavelengths of the light they emit, the mid-infrared and gamma rays.
Alone on the cosmic road, far from any known celestial object, a young, independent star is going through a tremendous growth spurt.
A new understanding of our galaxy's structure began in an unlikely way: on Twitter.
Sitting all by itself in space, a newfound object may help answer mysteries about planets without parent stars.
Cosmic bow shocks are leading astronomers to some of the galaxy's speediest stars.
A giant gathering of galaxies has been spotted 8.5 billion light-years away.
An older planet may have reclaimed its youthful glow, according to new evidence from NASA's Spitzer Space Telescope.
Researchers fine-tune maps of our galaxy's spiral arms using data from NASA's WISE mission.