A planet just 124 light-years from Earth could be teeming with life even as you read these words.

Astronomers have conducted in-depth analyses of the properties of an exoplanet mid-weight between Earth and Neptune, and found that it could be hospitable after all. The discovery broadens the range of planets astronomers can include in their search for extraterrestrial life.

The planet in question is called K2-18b. It may sound familiar - that's because it made big news last year when astronomers found water vapour in its atmosphere. However, back then, the exoplanet's potential habitability was unclear.

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