Large Telescope observations of interstellar comet 2I/Borisov has revealed that it is "one of the most pristine ever observed ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

The idea that octopuses might be aliens emerged from the theory of panspermia (Stelele 2018), according to which life on Earth is not entirely of terrestrial ...

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

Avi Loeb, who served as the Chair of the Department of Astronomy until 2020, will head the new “UAP Science Advisory Council.” The Council’s creation is part of President Donald Trump’s efforts to ...