Interstellar objects are born outside our solar system and cruise through it without falling into a stable orbit around the sun. 3I/ATLAS and its two predecessors have opened rare, invaluable ...

Interstellar space is not empty but filled with gas, dust and energetic particles. We explore this cosmic medium in more detail here.

Anatomy of an interstellar object Comet 3I/ATLAS follows two other intriguing interstellar objects, called ISOs, that once passed through our solar system: ‘Oumuamua in 2017 and 2I/Borisov in ...

The only other known interstellar object to pay a visit is 2I/Borisov, a comet that was discovered in 2019 by an amateur astronomer named Gennady Borisov. Denise Chow.

3I/ATLAS is the third known interstellar object detected passing through the solar system. It is moving at 60 km/s on a hyperbolic trajectory and appears very bright.

The recent discovery of an interstellar tunnel near our solar system has captured the attention of the scientific community. This tunnel, stretching towards the constellation of Centaurus, could ...

NASA has named this latest interstellar object 3I/ATLAS, after detecting it this week with the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile.

Tiny metal spheres found on the seafloor may have come from an interstellar meteor. The researchers that recovered the spherules say their compositions don’t match anything ever seen before on ...

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.