Meet 'super-puff' planets
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Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be ...
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What is Planet Nine, and where is it? Mystery of large hidden planet beyond Neptune explained
What is Planet Nine, and where is it? The question has fascinated astronomers for years. Scientists believe a massive undiscovered planet may exist in the outer Solar System. Although no telescope has ...
So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas ...
A village in Kent is home to what is thought to be the world's largest scale model of the solar system and beyond, created to ...
The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...
While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...
A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...
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.
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Scientists say our solar system may have lost two planets
We usually think of our solar system as a calm, well-organized family of planets, but a new study suggests its early days may ...
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