This unexpected color raises new questions about the alien chemistry of comets from beyond our solar system. On Sept. 7 2025, ...

Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

It could mean two bright comets will be visible in the night sky at the same time, on the peak night of a meteor shower.

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Scientists have discovered new information about the interstellar object nearing Earth which could reveal facts about the ...

The month of October is a treat for stargazers, as they’ll be able to see two different comets, one of which is long-tailed, ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

According to Dean Duffy, the new NASA administrator, a rock sample collected by the Perseverance rover was the "clearest sign ...

Recently, in a “wild” new spin on the theory, known as directed panspermia, it’s been suggested that “aliens sent microbes or ...

NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage courtesy: NASA/NRL/B.Gallagher | edited by Steve Spaleta ...