An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 ...

The new exoplanet, Enaiposha, also known as GJ 1214 b has never been seen before and is now officially being called a "Super-Venus." ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

The potential discovery of a large planet beyond Neptune’s orbit could change everything we know about the Solar System. Learn how scientists detected it and what steps NASA is taking to verify its ...

However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...

Study reveals an interstellar object's impact on planetary orbits, reshaping solar system dynamics. Discover how simulations ...

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never seen before.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...