One of the most important features of extrasolar planets is whether they have an atmosphere or not. For astrobiology in particular, small, rocky planets blanketed with an atmosphere offer the best hop

From colliding galaxies to supermassive black holes, we take a look at some of the strangest sights in the universe

TRAPPIST-1 is a red dwarf star located about ...

How our knowledge of these worlds beyond the Solar System has exploded in the last three decades

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

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