New images reveal interstellar comet 3I/ATLAS beginning to grow a signature tail as it zooms closer to the sun ahead of a ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...

New observations by the Gemini South telescope at Cerro Pachón in Chile revealed that interstellar object 3I/ATLAS' tail is ...

Astronomers and students teamed up to capture a stunning new image of interstellar Comet 3I/ATLAS, showcasing its growing ...

The comet is known as 3I-Atlas and is currently 238 million miles from Earth. According to NASA, the comet is expected to ...

The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.

Of course, 3I/ATLAS is no ordinary comet. Discovered on July 1, 2025 by the Asteroid Terrestrial-impact Last Alert System ...

We have known for a while that asteroid 3200 Phaethon acts like a comet. It brightens and forms a tail when it’s near the Sun, and it is the source of the annual Geminid meteor shower, even ...

The "once-in-a-lifetime" comet Tsuchinshan-ATLAS looks like it has grown a physics-defying second tail after reaching its closest point to Earth for more than 80,000 years, new photos reveal ...

Newly discovered approaching comet C/2023 P1, or Nishimura, had its tail blown away by a coronal mass ejection on September 2.

Recent NASA footage shows an eruption from our Sun breaking off the tail of a comet whizzing through the Solar System.