Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

Astronomers have discovered yet another alien visitor to the Solar System.

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

As 3I/ATLAS approaches the sun, astronomers expect its frozen ices to sublimate, releasing gas and forming a glowing coma and ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

Aster G. Taylor is a Ph.D. candidate in Astronomy and Astrophysics at the University of Michigan, Ann Arbor and a 2023 Fannie ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

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We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.