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 ...

Researchers have unveiled a surprising new way that soil microbes can use sunlight energy—even after the lights go out. A ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

NASA's Artemis program is set to explore the Moon's south pole, a region of perpetual darkness holding clues to the solar ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

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

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

We thought we understood planets, but the planetary disk chemistry of far-away XUE 10 is completely changing our conception ...

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

The asteroid belt may seem permanent, but it is far from static. Its slow decline reveals a more violent past when more ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...