Astronomer Gianluca Masi captured spectacular footage of a glowing meteor trail wrapping around the colossal tail of Comet ...

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

For only the third time in history, an object from beyond our own solar system is making an unexpected, high-speed pass ...

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and ...

3I/ATLAS was first observed as a dot in the night sky by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS ...

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

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

Harvard scientist Avi Loeb warns that 3I/ATLAS could be an extraterrestrial “Trojan horse” whose presence has major ...

The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move ...

Swan, will be visible in the Kuwaiti skies until the end of November, the Space and Astronomy Museum at Sheikh Abdullah ...