There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected. Previous research suggests ...

"Without it, we might not have Earth as we know it."Using computer simulations, Izidoro and his colleagues modeled how ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

Researchers are studying eccentric warm Jupiters, giant exoplanets that follow odd, elongated orbits unlike anything in our solar system.

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

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