New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Those pesky space aliens are at it again ... or I should say, conspiracy theorists’ hopes, dreams, fantasies and wish fulfillment, along with a ...