NASA may have just found our second Earth - a planet so similar, it could be habitable for humans. But this is just the beginning. Thanks to powerful telescopes and new detection methods, scientists ...

The exoplanet K2-18b is generating headlines because researchers announced what could be evidence of life on the planet. The ...

The researchers found strong evidence of a chemical called dimethyl sulfide (DMS) in the planet's atmosphere. On Earth, DMS is produced only by living organisms, so it appears to be a compelling sign ...