As evidence continues to mount that the mysterious object with interstellar origins currently speeding toward the inner solar ...

From tracking a rare interstellar visitor to revealing hidden star systems, the SETI Institute is at the forefront of space science. Explore four recent stories showcasing our role in groundbreaking ...

The apple of Loeb’s eye is a 6-12 mi.-wide rocky body discovered on July 1 with a telescope in Rio Hurtado, Chile, that is part of NASA’s Asteroid Terrestrial-impact Last Alert System (ATLAS) survey ...

This score means that it’s likely to have been engineered instead of being a naturally occurring force.

The planetary defense system spotted something close to Neptune and researchers think it could be a piece of alien technology ...

A woman who claims she is an inter-dimensional communicator says she has been in contact with the 'alien ship' 3I/ATLAS. Emily Eaton says reports the interstellar object is a comet are completely ...

Scientists want to send a spacecraft to intercept the interstellar object 3I/ATLAS before it vanishes for good.

NASA detected the interstellar object, dubbed 3I/ATLAS, traveling through our Solar System, sparking a flurry of scientific ...

Harvard astrophysicist Avi Loeb suggests a comet passing through the solar system may be an alien spacecraft, sparking debate among experts.

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

Since 2017, three interstellar objects have been spotted passing through our solar system: 1I/ʻOumuamua, 2I/Borisov… and just ...