On March 8, ALMA spotted a pair of jets blasting out of the comet's nucleus – its solid icy core. Spectrometry revealed that these jets were mostly made of carbon monoxide. The team also detected the ...

Spotting a possible interstellar object is incredibly rare, and it’s exciting that our UH-operated system caught it,” University of Hawaiʻi Institute for Astronomy’s John Tonry said following the ...

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

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves inward through the solar system.

The comet is only the third known object originating outside of out solar system to pay us a visit.

The comet is only the third known object originating outside of out solar system to pay us a visit.

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from your backyard.

Watch interstellar comet 3I/ATLAS live online tonight as it races toward the sun on a rare visit from beyond our solar system.

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object has been observed visiting our solar system.

It Came From Outside Our Solar System, and It Looks Like a Comet 3I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the galaxy.

A second object, comet Borisov, was seen in 2019, and because it was spotted earlier in its journey through the solar system we were able to observe it in more detail.

WASHINGTON, July 3 >> Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object has been observed visiting our solar system.