NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Astronomers have officially announced the name of the largest structure in the known universe. It was reported earlier this ...

Solar masses are a unit of measurement used in astronomy to express the mass of other celestial objects in comparison to the ...

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 ...

“By detecting the region outside of our solar system, by detecting actual galactic matter, we can start to unravel a whole ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...