A photographer who captured a comet in the night sky above the Yorkshire Dales said he spent weeks waiting for the perfect ...

Avi Loeb, Harvard astrophysicist and longtime proponent of the possibility that certain celestial objects could be artificial ...

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

Spacecraft have revealed that the comet—which one scientist suggests could be an alien spacecraft—is now "distinctly bluer ...

"The implication of alien technology would be huge and therefore we must take it seriously,” Harvard's Avi Loeb told Newsweek ...

November 2025 offers a fading green comet, the year’s biggest supermoon, Taurid and Leonid meteors, Orion’s return, and ...

The interstellar invader Comet 3I/ATLAS is continuing to surprise scientists, this time by brightening at an unexpectedly ...

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

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

Elon Musk triggered fresh conspiracy chatter after declaring, “I will never commit suicide,” during a discussion on Comet ...

A photographer says he feels "very lucky" to have captured Comet C/2025 A6. Also known as Comet Lemmon, it was first detected ...