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

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

For the first time, astronomers have witnessed the early stages of planet formation around a distant young star, HOPS-315, thanks to groundbreaking observations made using theJames Webb Space ...

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

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 ...

Astronomers have made an unexpected and groundbreaking discovery in our solar system—a ring system forming around Chiron, a ...

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 ...