Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

NASA’s Lucy spacecraft made a pivotal encounter with the main-belt asteroid Donaldjohanson. Capturing high-resolution images ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

The next waypoint on Psyche's voyage will be a flyby of Mars in May 2026. Officials expect Psyche to keep that date, which is ...

Lucy zoomed past Donaldjohanson at incredible speed. The spacecraft captured a series of close-up images using its L’LORRI ...

Occasionally, asteroids get caught in Earth’s orbit, temporarily becoming mini moons before continuing their cosmic paths.