Hundreds of mysterious objects have appeared in images captured by the Webb space telescope. The curious dots could reshape scientists’ understanding of the cosmos.

Three astronauts are stranded in orbit after their return capsule was believed to have been struck by an unknown object. The crew, already in space for six months, were supposed to return on Wednesday ...

What started as a relatively simple project for the Caltech Planet Finder Academy — a program that allows students to work on and experience real-world astronomy challenges — Matteo Paz began ...

Mysterious interstellar object 3I/ATLAS made its closest approach to Earth on December 19, coming within just 167 million miles. Scientists have been closely monitoring the object — which is largely ...