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

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

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

Using JWST and ALMA data, astronomers have spotted a superlong and narrow 'galactic contrail,' possibly produced by a black ...

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 ...

Hera, a European spacecraft, is halfway to the Didymos asteroid system to study the impact of NASA’s DART mission.

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

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

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

Damanveer Singh Grewal suggests that planetesimals in the early solar system emerged from a succession of high-energy ...