Scientists propose new way to find aliens — and we may already have a spacecraft that can help
Scientists propose new way to find aliens — and we may already have a spacecraft that can help
Pentagon unveils trove of declassfied 'UFO' videos. How to see them all, from 'a football-shaped body' to 'a misshapen and uneven ball of white light'
Making contact with ET? Aliens may already know we're here
Disclosure day: If ET made contact, how would we handle the news?
Where are all the aliens? Maybe they just don't want to talk to us
No sun, no problem? How life could thrive on moons of starless 'rogue' planets

In einem Reinraum des Johns Hopkins Applied Physics Laboratory in Laurel, Maryland, entsteht derzeit eines der ungewöhnlichsten Raumfahrzeuge, das je für die Erforschung unseres Sonnensystems gebau…
Where are all the aliens? Maybe space weather is scrambling their transmissions
Did Earth life actually begin on Mars? Asteroid impacts could let microbes planet-hop, study suggests
'War of the Worlds' in reverse? Mars dirt could help fight off a microbial invasion from Earth