These cosmic phenomena all have cool leather jackets.
That means it could have a stable climate and seasons.
The little moon appears more enticing for alien life every day.
Nobody has ever had a confirmed sighting like this before.
A new study measured stars at the very edges of our galaxy, and they are a lot farther away than predicted.
Alpha Centauri A may be even less deadly than the sun—if there are any planets there.
Exoplanets get all the attention, but don't forget about moons.
The method could help astronomers study neutron stars, black holes, and other objects orbiting around sun-like stars.
The search for "cosmic dawn" continues.
The supermassive black hole is a reminder of the violence of the early universe.
A new paper calls into question some of the thousands of planet's NASA's Kepler spacecraft has discovered.
The famed physicist reworked some of his old ideas.
After a millennia of wondering, humanity can finally search out intelligent alien life—and SETI is leading the charge.
Want to find Dyson spheres? Gaia, a satellite staring at nearly every star in the galaxy, might be able to lend a hand.
The dark planet only reflects 1 percent of the light hitting it.
The newly released database contains over a billion stars.
In a galaxy of billions of stars, finding the ones born alongside our own can be difficult—but scientists finally have a way.
The strong gravity of a larger version of Earth could ground any Super-Earthling rockets.
The search for new planets continues with today's launch of NASA's TESS space telescope.
Proxima Centauri momentarily lit up in the night sky, which could spell doom for its "habitable" planet.
New research finds potentially thousands of black holes orbiting within a few light-years of the galactic center.
Our galaxy has more than a few tricks up its sleeves.
An event called gravitational lensing allowed astronomers to discern a star 9 billion light-years away.
The strange galaxy is missing the invisible, mysterious matter present in pretty much every other galaxy in the universe.
They floated out to install new antennas, replace a bad camera and remove jumper cables from a leaky radiator.