Comet C/2025 A6 (Comet Lemmon) made a striking appearance in 2025, becoming visible to the naked eye and exceeding astronomers' expectations for brightness. A dramatic image captured from Hawaii's ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

Dec. 19 (UPI) --Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles. After its brief visit Friday the interstellar object 3I/ATLAS will head back ...

An interstellar comet is passing through our solar system: here is everything you need to know. Comet 3I/ATLAS represents just the third object in history to be known to have entered our solar system ...

The mystifying invader 3I/ATLAS, a comet that had been capturing the attention of expert and amateur astronomers alike, passed Earth early Friday morning, making its closest approach to our planet as ...

Weeks after a rare interstellar comet made its closest pass to the sun, it will make it’s closest pass to Earth. The comet has traveled billions of miles through other systems in space. Its orbit is ...

An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable observations of the interstellar comet 3I/ATLAS, which in July became the ...

Californians can now glimpse a unique comet, dubbed 3I/ATLAS, that has captivated astronomers worldwide and sparked speculation of aliens. Anyone with a backyard telescope should be able to view the ...

Comet 3I/ATLAS—the third interstellar object ever known to pass through our solar system—is accelerating and now approaching its closest point to Earth. “Significant” non-gravitational accelerations ...

3I/Atlas, a rare interstellar object that had some astronomers wondering whether it's a spacecraft, will soon reach its nearest point to the sun and Earth. The interstellar comet will come within ...

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. NASA, in a rare move, cuts space station ...