The Latest Breaking News from the Solar System

NASA confirms the interstellar object 3I/ATLAS poses no threat to Earth, despite viral speculation. Scientists and the UN are monitoring the rare visitor to study its alien origins and composition.

When most of us think about what shaped our planet, we probably picture volcanoes, earthquakes, and huge continents slowly drifting apart (or back together again) over millions or billions of years. We also know meteorite impacts were important; our crater-packed Moon is clear evidence of that.

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as planet X, prominent astronomers had put it forward as an explanation for Uranus’s orbit, which drifts from the path of…

The new Sedonite, nicknamed Ammonite, was discovered by the 870MP camera on the Subaru Telescope

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar system. Here's everything you need to know about 3I/ATLAS.

Humans have used the stars to navigate, keep time, and understand our place in the universe.

This week, astronomers spotted the third known interstellar visitor to our Solar System.

The monsterous 85-mile-wide comet C/2014 UN271 isn't just the largest icy rock in the Oort Cloud, it's the second most distant that is chemically active.

Planet’s ‘tail’ is millions of miles long, researchers say

The sixth planet from the Sun now has a grand total of 274 moons

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised discoveries from a team of astronomers led by Edward Ashton at the Academia Sinica in Taiwan. The sixth planet from the Sun now has a grand total of 274 moons, the most of…