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

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 ...

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

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 ...

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

A mystery interstellar object has been identified as the "oldest comet ever seen", according to scientists. The Oxford ...

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 ...

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

Five years of imagery from NASA's Transiting Exoplanet Survey Satellite (TESS) have been stitched together to create an all-sky and northern & southern ecliptic mosaics. Credit: NASA/MIT/TESS and ...

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