In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

Quantitatively upstaging Earth’s guest appearance of a second moon this fall, a recent study found that Saturn has 128 new ...

In a cosmic twist of fate, scientists have confirmed that asteroid 2024 YR4, a near-Earth asteroid previously thought to pose ...

"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

Scientists traced origins of 75 meteorites back to specific regions in the asteroid belt, revealing new insights into their ...

An international team of astronomers reports the detection of two new brown dwarfs orbiting distant stars using NASA's ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

A new study has revealed the structure of extreme winds on WASP-121b, a gas giant located 1,300 light-years away. This ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...