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

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

A University of Arizona professor is optimistic about finding life on a newly discovered planet located in the Alpha Centauri system, which is the closest solar system to ours. The planet is believed ...

Hints of life may have just flickered into view from a world 124 light-years away, and the signal is coming through the James Webb Space Telescope. The exoplanet K2-18b, a so-called Hycean candidate ...

Add Yahoo as a preferred source to see more of our stories on Google. Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life.

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions about what it will take to detect biology light-years away. By Carl Zimmer In ...

Anchor Brian Webb & Executive Producer Trenton Hooker speak to University of Arizona astronomer Kevin Wagner about space, UFOs, aliens and life beyond earth. According to recent findings, Wagner ...