At morning twilight on December 13, 2025 (Hawaii-Aleutian Standard Time, HAST), the Faint Object Camera and Spectrograph ...

The heavens have a habit of throwing us a curveball just when we think we have the cosmos figured out. The latest arrival, a ...

NBC News' Gadi Schwartz reports on "3I/ATLAS," a mysterious outer space object that is thought to be billions of years old, ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

Interstellar object 3I/ATLAS is making its closest approach to Earth in just over a week from now, coming within 167 million ...

Is 3I/ATLAS a scientific wonder or a catalyst for space war? The interstellar visitor is sparking a quiet arms race among ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

Harvard's Avi Loeb and physicist Michio Kaku debate the origins of interstellar object 3I/ATLAS as it passes Earth. Is it an ...

During comet 3I/ATLAS's closest approach to Earth, the Breakthrough Listen project attempted to search the interstellar ...

“The best estimates suggest Rubin should detect between 5 and 50 ISOs over its 10 year survey, stemming from the ...

Avi Loeb discusses new radio observations, motion data, and size estimates for interstellar object 3I/ATLAS, outlining limits, uncertainties, and future observations ...