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

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

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

Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic ...

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.

Several well-known meteorite discoveries are still a mystery. Avi Loeb’s interpretation of some meteorite debris possibly being of alien origin is controversial, because peer‑reviewed analyses point ...

When most people imagine the vastness of space, they picture a dark void with plenty of observable objects. Planets, stars, and other galaxies often come to mind when picturing what space actually ...

Astronomers have obtained new images of the mysterious interstellar object 3I/ATLAS that reveal a new feature: the fastest ...

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

In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ...

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

By capturing the same thing from very different perspectives, a NASA astronaut and an intrepid photographer create a whole ...