There has to be recognizable life out there, somewhere close enough we can find it. That's the idea behind SETI, and also the huge new alien-hunting Five-hundred-meter Aperture Spherical Telescope ...

Thomas Mulligan shares NASA’s plans for an alien-hunting telescope positioned 1.5 million kilometers from Earth by 2040. Trump set to face a diplomatic intervention on Greenland in Davos Air Force One ...

Launched in 2019, the ESA mission will measure the size and density of hundreds of known exoplanets orbiting bright stars.

The All-Seeing Eye, which came into operation in the 2070s, was by far the largest and most powerful optical instrument ever built. Comprising eight telescopes built across the entire lunar surface, ...