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Asteroid belt — What it is, where it is and how it formed

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...
Space on MSNOpinion

Why interstellar comet 3I/ATLAS' close Earth approach is an early Christmas gift for astronomers

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Interstellar comet keeps its distance as it makes its closest approach to Earth

The comet will come much closer to Jupiter in March, zipping within 33 million miles (53 million kilometers). It will be the ...
Live Science on MSN

The UN is closely watching alien comet 3I/ATLAS. Here's why.

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

See the 3I/ATLAS comet strangely shift from red to green in new images

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...