December 19, 2025, will be rather significant as this will be the very day that comet 3I/ATLAS will brush past the Earth for ...

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

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and ...

Comet 3I/ATLAS X-ray observations reveal hidden hydrogen and nitrogen, offering rare chemical insight into an interstellar ...

Before the year winds down and the gifts are wrapped, take a moment to unwrap the night sky. The final days of December bring ...

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

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

Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse.

Astronomers studying the interstellar object known as 3I/ATLAS say new observations from the Gemini North Telescope in Hawaii ...

While NASA's James Webb Telescope and other instruments have already spotted abundant water vapor, carbon monoxide and carbon ...

In a cosmic game of hide and seek, our third-ever known visitor from another star system is finally revealing its true ...