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

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

Observations made by NASA's Neil Gehrels Swift Space Observatory have revealed that the interstellar object 3I/ATLAS ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

New work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...

A new peer-reviewed study finds that early planet formations were assembled from fragments of earlier bodies within the Solar System.

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...