The Latest Breaking News from the Solar System

3I/ATLAS Sparks Global Alarm: Truth Behind the Mysterious Interstellar Object Now Targeted by NASA and UN Teams

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.

International Business Times UK · Oct 23, 2025

Tiny crystals in Earth’s crust have captured the movement of the Milky Way’s spiral arms

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.

The Conversation · Sep 17, 2025

The hunt for ‘planet nine’: why there could still be something massive at the edge of the Solar System

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 Conversation · Jul 29, 2025

Astronomers discover the largest comet from the outskirts of the solar system is exploding with jets of gas

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.

Space · Jun 19, 2025

First planet of its kind with ‘gargantuan’ comet-like tail discovered

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

The Independent UK · Apr 23, 2025

Saturn has 128 more moons than astronomers previously thought

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

The Independent UK · Mar 31, 2025

Saturn now has 274 moons – but exactly what makes something a moon remains unclear

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…

The Conversation · Mar 14, 2025

Why is one half of Mars so different to the other? ‘Marsquakes’ may have just revealed the answer

Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy, which has baffled scientists since it was discovered in the 1970s.

The Conversation · Jan 17, 2025

What is a dark comet? A quick guide to the ‘new’ kids in the Solar System

In 2017, NASA discovered and later confirmed the first interstellar object to enter our Solar System.

The Conversation · Dec 16, 2024

Europa Clipper’s 7-Year, 1.8-Billion Mile Journey To Jupiter’s Moon Is More Intense Than You Think

Here's the winding road NASA's Europa Clipper must take through the Solar System to reach a special Jupiter moon.

Inverse · Oct 11, 2024