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 ...

Does the scientific community as a whole share the notion that a newly discovered interstellar object 3I/ATLAS is an alien ...

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

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 ...

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

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 ...

A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a ...

A newly discovered interstellar comet, 3I/ATLAS, has sparked debate in the scientific community after Harvard astrophysicist ...

Harvard's Avi Loeb suggests comet 3I/ATLAS could be alien tech, but most scientists say it's a natural interstellar object with no threat to Earth.

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...