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Small, rocky worlds once thought bare may have habitable a
When we imagine planets, we usually picture them circling a fiery star like our Sun. But new evidence has now been found of a type of planetary system that instead forms around cold planets that float
A mosaic image of Enceladus created from data ...
While our planet only has one easily visible Moon, several other tiny objects arguably deserve the title too
Might our universe – as vast as it is – be simply one of many? We look at the growing evidence that there’s more than one cosmos out there
When comet 3I/ATLAS was discovered in July, on a one-way interstellar journey through our Solar System, Harvard astronomer Avi Loeb suggested it might be an alien spacecraft paying us a visit. Back in
Earth exists in a bubble. Our atmosphere forms a protective barrier between everything on the planet’s surface and the near-empty vastness of space. But it’s not the only bubble Earth sits inside. Bey
