When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

E.T. phone home planet K2-18b. A team of astronomers shared they’ve found what they say is the most promising sign of extraterrestrial life on a massive planet, known as K2-18b, in a solar system 120 ...

In addition to shaping the interior of rocky planets, molten rock located deep within these planets may also contribute to ...

An ocean world that’s teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...