Saturn has the most moons of any planet in the Solar System. Thousands of moonlets, perhaps tens of meters long, orbit in a ...

Samples collected from the near-Earth asteroid Ryugu have revealed clues about a primordial magnetic field that helped ...

The team's hypothesis calls for a temporary ring around Earth, which would explain why impacts were constrained to a ...

A stellar odd couple 700 light-years away is creating a chaotically beautiful display of colorful, gaseous filaments. The Hubble captured the pair, named R Aquarii, and their symbiotic interactions.

How many planets are there in our solar system? Nine? Eight? Twelve? Hundreds? I know many will insist there are nine, with Pluto as the ninth planet, but ...

Planets, moons, and the quest for life beyond earth As we explore the vast expanse of space, we embark on a journey that ...

The Martian calendar, established in 1955, counts years from the "great dust storm of 1956," a significant event in Mars' meteorological history.

It’s commonly known that the Sun is the center of our solar system, with all the planets orbiting around it. However, this ...

Earth’s orbit around the Sun is not circular, but an ellipse. The perimeter of Earth’s orbit is roughly 584 million miles ...

It entered Earth's orbit on Sept. 29 and will be taking up residency in our skies until Nov. 25 before returning to the solar system. Some past mini-moons, such as this one from 2020 ...

the Kuiper belt beyond the orbit of Neptune, and the Oort cloud. Our Solar System is full of mysteries, but if the inner planets are a puzzle, the boundary between the Solar System and ...