A new study has suggested that most alien civilizations may have already destroyed themselves.
A new NASA study has revealed just how many potentially habitable worlds there are in our galaxy.
Astronomers have discovered an Earth-sized world that is drifting freely through the cosmos without a parent star.
Astronomers have discovered six ancient galaxies around a black hole 1 billion times the mass of the Sun.
This remarkable new image really does show a galaxy far, far away - 500 million light years away to be exact.
A 12 billion-year-old galaxy in the distant universe looks uncannily like a miniature version of the Milky Way.
A new study has sought to calculate how many intelligent extraterrestrial civilizations might exist in our galaxy.
For the first time, astronomers have picked up a fast radio burst within the confines of the Milky Way.
A type of black hole that could be an important 'missing link' has been discovered outside of our galaxy.
Scientists have spotted an explosion five times greater than anything seen since the birth of the universe.
For the first time ever, scientists have discovered evidence of molecular oxygen in a distant galaxy.
Samsung Galaxy owners were left puzzled when a strange message was sent out during the night.
Scientists have discovered a new type of object that is so weird that it has been assigned a whole new class.
Scientists have discovered a black hole in our own galaxy that could rewrite the book on stellar evolution.
Just in time for Halloween, astronomers have captured a spooky visage of literally cosmic proportions.
Scientists have discovered that a high-energy flare ripped through the galaxy in the relatively recent past.
For the first time ever, astronomers have been able to trace a fast radio burst back to its galaxy of origin.
Astronomers at NASA and ESA have come up with the most precise figure yet for the weight of our galaxy.
A new study by a team of scientists in China has revealed that our galaxy is actually buckled at the edges.
Astronomers have picked up a very unusual repeating signal from a distant galaxy and nobody knows what it is.