Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only 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 ...

A comet is hurtling into our solar system from interstellar space at about 152,000 miles per hour. The comet, named 3I/ATLAS, was discovered by the ...

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

Scientists have been studying an interstellar object that's currently moving through our solar system which was first spotted on 1 July. It has been called 3I/ATLAS because of what spotted it, and ...