Scientists propose a universal test that could detect alien life without assuming it resembles any biology found here on ...

A new generation instrument designed to probe the atmospheres of distant worlds is nearing operational readiness, marking a major step forward in exoplanet science. Detailed in a paper presented at ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...