The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...

From its scorching temperatures to its oddball rotation, there's a lot to learn about the second planet from the sun.

Astronomers at UC Santa Cruz have developed a new model to better understand “steam worlds,” or water-rich sub-Neptunes—some ...

In September 2023, NASA's Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer ...

Scientists have devised a new method for mapping the spottiness of distant stars by using observations from NASA missions of ...

Planet Nine was previously suggested as a possible explanation for distant orbital clustering. It was thought to be ten times Earth’s mass, orbiting far beyond Neptune.

Alien hunting Harvard astronomer Avi Loeb continues to rail against the idea that our newest interstellar is merely a comet.

Neptune is big, it’s blue, and it is a planet that can tear you apart if you happen to drop into one of its massive, ...