Astronomers scanned the interstellar object 3I/ATLAS for alien signals using the Green Bank Telescope, but found none. The object behaves like a normal comet, made of ice, dust and rock, yet studying ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

Researchers used the Green Bank Telescope to study the interstellar comet and found that it exhibits typical cometary behavior, with no unusual features detected ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

Astronomers tracking 3I/ATLAS, the third confirmed interstellar object ever observed, say new measurements of its water loss ...

Astrophysicists are mapping a vast, hidden structure in the gas around the Sun that behaves like a tunnel carved through ...