Space scientists say they are preparing a comet interceptor spaceship as the third interstellar object ever detected was ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

Harvard physicist Avi Loeb revealed that the object is expected to approach Earth on December 17, speeding through the solar ...

It was inferred to have a disk-like shape and to exhibit non-gravitational acceleration, raising the possibility of an ...

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

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

Interstellar object headed towards Mars, but poses no threat to Earth, says head of planetary defence at the ESA.

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

The European Space Agency (ESA) has detected what could be only the third known object to enter our solar system from ...

An object from outside the solar system has been spotted hurtling towards the sun, the European Space Agency (ESA) has said.