Skywatchers are in for a treat this October. Two comets, C/2025 R2 (SWAN) and C/2025 A6 (Lemmon), may become visible to the ...

For the past few days, the interstellar comet 3I/ATLAS has been displaying a blue-green gas coma measuring 2.5 arcminutes ...

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 ...