I/ATLAS's chemical composition, upcoming invisibility, and trajectory suggest to experts that it is alien technology, but ...

There has been a lot of talk among people who study and follow such things about whether or not interstellar comet 3I/ATLAS is an alien spacecraft. Most ...

This May, during a visit to Sir John Soane's Museum in central London, I had the pleasure of receiving a private tour of the sarcophagus of Seti I, arguably the most important ancient Egyptian ...

All children under age 5 living in Santa Clara County are invited to be part of the free program. Imagination Library titles ...

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light ...

Harvard astronomer Avi Loeb currently says there is a 30-40 percent chance the object is not natural in origin.

Unistellar marks its 10th anniversary with a call to stargazers: observe 10 comets this autumn in partnership with the SETI ...

Swan Hellenic has announced that its nine-night Chile to Peru cultural expedition cruise, departing Valparaiso for Calao on ...

From Martian rocks that may hold traces of past life, to fragile asteroids that explode in Earth’s atmosphere, to bold ideas ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states ...

New research suggests that technological civilizations in the Milky Way are extremely rare, with the closest potentially ...

Editor’s note: The following is an excerpt from Reinventing SETI: New Directions in the Search for Extraterrestrial Intelligence, published by Oxford University Press in August 2025. John Gertz is the ...