Glowing "jellyfish" galaxies have revealed a new way to power some of the most powerful objects in the universe.
Faster than a tornado, speedier than the giant storm swirling on Jupiter — it's the world's fastest-swirling vortex, which scientists have created in a primordial soup of gluey par...
A giant star near the center of our galaxy hints, once again, that Albert Einstein was correct about gravity.
The Hubble Space Telescope has taken a close look at the fascinating gravitational effects caused by a diminutive dwarf galaxy as it orbits its massive neighbor.
The Orion Nebula is one of the most heavily studied astronomical targets in the night sky, but that doesn't mean it has stopped surprising astronomers.
A team of astronomers believe they have spotted the first moon outside our solar system.
A strange radio signal that seemed to emanate from a small nearby star probably came from Earth-orbiting satellites, astronomers say.
Scientists in Puerto Rico at the Arecibo Observatory have uncovered "some very peculiar" radio signals from a nearby star just 11-light years away from Earth.
Introducing EBLM J0555-57Ab, which now has the distinction of being the smallest star ever discovered.
The spiral galaxy IC 342 shines prominently in this image from the Hubble Space Telescope, but viewing it in the night sky from Earth is much more challenging.