A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

OpenAI develops automated attacker system to test ChatGPT Atlas browser security against prompt injection threats and ...

A quiet messenger from the farthest reaches of the Milky Way is making its last, dramatic appearance on this day, December 19, 2025. The interstellar comet 3I/ATLAS, which is a frozen remnant from the ...

OpenAI says prompt injections will always be a risk for AI browsers with agentic capabilities, like Atlas. But the firm is ...

This week the eyes and telescopes of the world will be watching to learn everything we can,' says an astronomer.

Security researchers also previously told Fortune that while a lot of cybersecurity risks were essentially a continuous ...

OpenAI says prompt injection attacks remain an unsolved and enduring security risk for AI agents operating on the open web, ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

New images captured by the European Space Agency (ESA) of the interstellar comet 3I/ATLAS has "surprised" the agency's Jupiter Icy Moons Explorer (JUICE) team as they saw the "very clearly visible ...

Italian astronomers captured rare footage of Comet C/2025 K1 ATLAS tearing itself apart in real-time. The comet's October 8 solar pass vaporized subsurface ice, creating gas pressure that cracked the ...

Scientists used the Gemini North telescope in Hawaii to obtain images of the third-ever detected interstellar object, Comet 3I/ATLAS, on Nov. 26, 2025. Credit: NSF NOIRLab In the spirit of the season, ...