A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...