Astronomers may have found a supermassive black hole that has left its usual place at the center of its galaxy and is on the move.
HAT-P-26b is about 430 light-years away from Earth, is similar in size to Neptune but its orbit is closer to its star than the ice giant’s is to the sun.
Little moons in Saturn’s rings, called moonlets, are blasting through and kicking up material that create propeller-shaped features in the rings.
A slice of the first meteorite to ever hit someone, the Sylacauga Meteorite, sold Wednesday in a Christie's auction.
The system, whose existence was announced in February, has seven Earth-sized planets, three of which are in the star’s habitable zone. But the system was initially thought be highly unstable.
Scientists are seeing the remains of a massive supernova explosion in a whole new light after telescopes teamed up to capture these detailed images.
When astronauts are on the International Space Station, their blood doesn’t transport as much oxygen to their muscles and they grow weaker.
NASA is testing its new telescope in a frigid vacuum to prep it for launch and its search for aliens on planets in other solar systems.
Sometimes determination needs a helping hand.
When science and art come together, it can help us envision what our universe looks like beyond the bonds of Earth’s gravity.
Astronauts could not have made it to outer space without the brave group of deaf men who volunteered to help NASA.
NASA released a half-minute movie Wednesday, made from a sequence of images captured by the spacecraft during the first dive of the Grand Finale mission.
SpaceX aims to provide high-speed internet to all with a plan to launch thousands of satellites into orbit around Earth.
Stephen Hawking says humans have to leave Earth in the next 100 years and colonize another planet if we want any hope of surviving extinction.
This giant wave is billions of years old and still going in the Perseus galaxy cluster.
The total solar eclipse in August is your last chance to see one in the United States until 2024.
A binary star exploded in a supernova and showered its only friend in calcium.
Russia is developing a new spaceship of its own -- a very interesting spaceship.
The general rule is that dark matter holds galaxies together and dark energy drives the expansion of the universe.
Eruptions on the sun look very different, but they might all be produced the same way — with energy bursting through a magnetic field.
A single piece of space junk could trigger an unstoppable domino effect of catastrophic collisions.
Building a constellation of satellites to beam gigabit internet to Earth could make sense on so many levels.
