An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

I/ATLAS has just made a strange move around the sun that could prove it has an engine powering its flight through the solar ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside our solar system, according to NASA.<br /><br />The comet is travelling on ...

ESA's ExoMars Trace Gas Orbiter was able to collect high-resolution imaging and spectroscopic data of the 3I/ATLAS comet.

The interstellar comet 3I/ATLAS, the oldest comet ever observed, is currently on a trajectory toward the Sun, sparking global ...

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

Astronomers detect unexplained acceleration in interstellar object 3I/ATLAS as Avi Loeb suggests an artificial 'engine' can't ...

On October 29, the alien comet passed through its closest distance to the Sun (perihelion). In case it's of interest, this ...