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

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something very strange and very hot.

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

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

Wave-particle interactions across the solar system can have a wide range of effects though they are caused by the same set of ...

Dust brought back to Earth by China's Chang'e-6 mission contains rare meteorite relics that could change our understanding of sources of water and other life-essential ingredients in our solar system.

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

Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to ...

Humanity's drive to explore has taken us across the solar system, with astronaut boots, various landers and rovers' wheels ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...