Learn about the interstellar comet 3I/ATLAS, a high-velocity visitor from another star system. Learn how NASA is tracking its ...

Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

Comet 3I/ATLAS has been observed by the Hubble Space Telescope, which delivered new insights into this third interstellar ...

A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

Avi Loeb, the chair of the astronomy department at Harvard, has suggested that 31/Atlas could be an alien probe on a “reconnaissance mission”.

NASA's Hubble Space Telescope has captured the sharpest images ever taken of 3I/ATLAS as it makes its way into the inner solar system.

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard physicist calls potentially technological.

An ominous interstellar object named 3I/Atlas is hurtling towards our solar system at astonishing speeds. What does this mean ...

New Hubble data on the 3I/ATLAS interstellar comet points to it having a nucleus between 1,000 feet and 3.5 miles, speed at 130,000 mph.

Astronomers using the Hubble Space Telescope have observed 3I/ATLAS, only the third known object from outside our solar ...

Harvard's Avi Loeb proposes that the interstellar object 3I/Atlas may be an alien reconnaissance mission. The comet's unusual trajectory and brightness have sparked this theory.