When the interstellar object now known as 3I/ATLAS was discovered this summer by NASA’s ATLAS telescope in Chile, astronomers expected another ordinary cosmic traveler, much like ʻOumuamua or Borisov.

The comet is the third interstellar object from deep space ever recorded to pass through Earth’s solar system.

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why ...

The early growth of the gas giant carved rings that formed primitive meteorites and shaped the architecture of the inner ...

The orbiter, which is part of the nation's ongoing Tianwen 1 mission for Mars exploration, took the images of the comet, coded 3I/ATLAS, on Oct 3 as it whizzed past the Red Planet. It is the third ...

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system Jay ...

An interstellar object called 3I/ATLAS has just passed our sun. Despite online rumours that it’s an alien spaceship, experts say it’s definitely a comet.

NASA is studying interstellar object 3I/ATLAS to refine its planetary defence systems, using the comet's rare trajectory as a ...