The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

The daisy-shaped 'occulter' could be a simple solution to the problem of a star's light swamping the view of small rocky planets, a study suggests. The daisy-shaped 'occulter' could be a simple ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.