Astronomers are puzzled by the interstellar comet 3I/ATLAS. It displayed a jet pointing towards the Sun, a behavior never seen before. Further analysis revealed a composition of nickel without iron, ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

Three years into its mission, the James Webb Space Telescope has advanced the search for extraterrestrial life more than any ...