It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

Interstellar comet 3I/ATLAS will fly by our planet at a safe distance of 1.8 astronomical units (roughly 167 million miles or ...

When NASA’s James Webb Space Telescope turned toward interstellar comet 3I/ATLAS in August 2025, astronomers were looking for ...

Discover the secrets of 3I/ATLAS, a 7-billion-year-old interstellar comet making its closest approach to Earth on Dec 19.

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

Scientists atop Mauna Kea on the Island of Hawaiʻi and across the Hawaiian chain are turning their telescopes skyward Friday ...

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NASA has now confirmed that 3I/ATLAS is not just another visitor from deep space but the largest interstellar comet ever ...

Scientists atop Mauna Kea on the Island of Hawai’i and across the Hawaiian chain are turning their telescopes skyward Friday ...

Bob Benjamin is an ORHS Class of 1983 alumnus who has tirelessly worked to figure out what the Milky Way looks like.

The 18th day of the annual Space Telescope Advent Calendar shows a dying star that is casting off its outer layers, creating ...

NASA's Hubble Space Telescope has gotten a rare peek at the aftermath of two cosmic collisions — and helped scientists solve ...