Could a ‘Trojan Horse’ from space be headed our way? Harvard scientist Avi Loeb warns 3I/ATLAS might be more than the average ...

August, scientists using the Very Large Telescope (VLT) in Chile detected the chemical signature of cyanogen gas as the comet ...

Astronomers have detected glowing nickel vapor in the atmosphere of the interstellar comet 3I/ATLAS, a discovery that defies ...

Brooks, which visits the Earth roughly every 71 years, was spotted releasing intriguing radio signals last year.

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

A cosmic coincidence could give us an unprecedented look at a visitor from another solar system. If all goes well.

A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets.

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...

The interstellar comet 3I/ATLAS has captivated astronomers with its unusual behavior, challenging established comet physics.

The chemical signatures we're observing may reflect both the comet's ancient origins and its long journey through ...

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...