JWST detected rising methane emissions from interstellar comet 3I/ATLAS, exposing ancient interior ice and offering new ...

While 3I/ATLAS is definitely a comet, its composition and age have remained unclear. Now, astronomers have solved these ...

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

Comets have played an interesting role in the history of astronomy. Since antiquity, many cultures saw them as omens or ...

Let’s get one thing out of the way. I’m your resident science writer. Alien comets, tiny universes, and body parts are the ...

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 ...

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

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...