A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek ...

Dune. Star Wars. Alien. Science fiction movies love alien worlds, and so do we. But how do scientists find planets outside ...

Dubbed "Planet Nine," this hypothetical celestial body is believed to influence the orbits of distant, small objects beyond ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

So exactly how many solar system moons have we found ... more elliptical orbits around their host planets, Ashton said. Among the regular moons, around 20 are also considered major moons ...

TEMPO.CO, Jakarta - NASA, the United States space agency, has revealed the discovery of a massive diamond-like object in ...

The powerful James Webb Space Telescope has captured a series of remote planets in the HR 8799 star system that are 130 light years away in the Milky Way, and they are very strikin ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

An exoplanet—also called an extrasolar planet—is a planet outside a solar system that orbits another star. With direct imaging, astronomers can see an exoplanet’s light in a telescope and study its ...