Latest about SETI
Making contact with ET? Aliens may already know we're here
Earth is dotted with many humongous, human-made structures. To an alien eye, they may be tell-tale signs of intelligent goings-on, betraying our existence and hinting at our capabilities.
Disclosure day: If ET made contact, how would we handle the news?
How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a variety of opinions about a possible real-life "disclosure day."
Where are all the aliens? Maybe they just don't want to talk to us
A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological self-destruction — and it therefore may not want to talk to us.
Where are all the aliens? Maybe space weather is scrambling their transmissions
We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.
Astronomers searching for alien life are sharpening our cosmic clocks. Here's why
Tiny delays in pulsar signals measured by SETI scientists could aid the search for gravitational waves and extraterrestrial life.
This SETI program is chasing down its final 100 signals. Could one of them be from aliens?
SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.
SETI's 'Noah’s Ark' – a space historian explores how the advent of radio astronomy led to the USSR’s search for extraterrestrial life
An expert dives into the history of radio astronomy and the search for life beyond our Earth.
No near neighbors: Closest technologically advanced aliens may be 33,000 light-years from Earth
A new study suggests that, without plate tectonics and the right balance of carbon dioxide and oxygen, advanced alien civilizations may be exceedingly rare.
