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

It all started with a talking cat named Luna and a magical brooch. With that, Sailor Moon, the character and the ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

Asteroids of this size regularly pass through the Earth's neighborhood, often unnoticed, unless they are actively tracked by NASA and other space agencies. The continuous monitoring of near-Earth ...

NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...

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

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

For years, astronomers have sought a way to directly observe the atmospheres of exoplanets, worlds orbiting distant stars.

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

NASA's Webb telescope has captured images of multiple planets in a nearby star system, confirming that Webb can infer exoplanet atmospheres' chemistry.