SETI
We Should Be Looking for Small, Hot Dyson Spheres
A new study recommends looking for Dyson Spheres that are smaller, orbit closer to their suns, and might still be…
First Contact Could Turn Out Well for Humanity
Most science fiction portrays the first contact between humanity and alien civilizations as a disaster. That's probably because our history…
Is Anyone Planning for Diplomacy with an Extraterrestrial Civilization?
Imagine we detect an interstellar object entering our Solar System. At first, astronomers think it's just another natural interloper like…
The 2nd Annual Penn State SETI Symposium and the Search for Technosignatures!
This year's Penn State SETI Symposium provided a good rundown of the field and the kinds of studies scientists will…
Penn State SETI Symposium Opens with Commemoration of Dr. Frank Drake
This year's Penn State SETI Summit kicked off with a a lecture on how history will remember SETI pioneer Frank…
Variable Stars can Tell us Where and When to Search for Extraterrestrials
A new study cross-references supernova from the Gaia observatory's third data release with possible alien transmissions.
Astronomers Scan the Skies for Nanosecond Pulses of Light From Interstellar Civilizations
The VERITAS Collaboration and Breakthrough Listen just released the results of the first year of their survey for optical technosignatures.
We Could See the Glint off Giant Cities on Alien Worlds
How large would an extraterrestrial city have to be for current telescopes to see it? Would it need to be…
Astronomers are Searching for a Galaxy-Wide Transmitter Beacon at the Center of the Milky Way
Researchers with the SETI Institute have monitored the center of the Milky Way for possible transmissions from a galactic beacon.
A Sign from Space Simulates What it Would be Like to Get a Message from Aliens!
A Sign in Space project has simulated a message from an extraterrestrial intelligence and has involved the global community in…