An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

The 18-year-old Iowa teen was stabbed 29 times in December 1979 Emily Blackwood is a writer and editor at PEOPLE. She has been working at PEOPLE since 2023. Her work has previously appeared in ...

The most sensational story of the year for astronomers has been the discovery of the comet 3I/ATLAS, which was first observed on July 1, 2025 by NASA's Asteroid Terrestrial-impact Last Alert System ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse. Interstellar comet 3I/ATLAS streaks across ...

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 ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of Earth and poses no danger. Scientists are studying the object ...

For one, it came down to timing. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It came from outer space. Interstellar space, to be precise.

Interstellar comet 3I/ATLAS streaks across the sky with a blue plasma tail, photographed from June Lake, California, on December 14, 2025. Dan Bartlett One of only three known interstellar objects ...

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 ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...