Interstellar visitor Comet 3I/ATLAS was discovered just a week ago and ever since, astronomers across the world have been ...

Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s ...

A rare but faint interstellar visitor from beyond our solar system is racing toward the sun — and you can watch it live online today! Astronomers have identified this cosmic interloper as 3I ...

Discovered in 2019, 2I/Borisov was clearly a comet, but one quite different from the ones we grow in our solar system. With very little water and a whole lot of carbon monoxide, a composition that is ...

Space Interstellar comet hurtling through solar system named 3I/ATLAS An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

A comet from a solar system outside our own was first noticed on July 1 by a NASA telescope located in Rio Hurtado, Chile, as part of the Asteroid Terrestrial-impact Last Alert System (ATLAS).

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first spotted on July 1 by the NASA-funded Asteroid Terrestrial-impact Last ...

While every planet, moon, asteroid, comet and life form that formed in our solar system shares a common origin, a common heritage — interstellar visitors, it said, “are true outsiders. They are ...

The comet, recently designated 3I/ATLAS, was first observed on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System telescope in Rio Hurtado, Chile. At the time of its unexpected ...

Solar system comets travel in elliptical or near-parabolic orbits that are bound to the sun. Not this fellow. The interstellar comet's orbit is open-ended.

Astronomers are rolling out a welcome mat for a newly identified visitor from beyond our solar system. The object — thought to be a comet — is only the third-ever confirmed interstellar ...

A comet has entered the Solar System from interstellar space and will pass harmlessly through the inner planets later this year, NASA says. The comet, designated 3I/ATLAS, appeared to approach the ...