Blue Origin's New Glenn rocket was scheduled for launch on Sunday (Nov. 9) but it has been delayed until Wednesday (Nov. 12) ...

Scientists believe it will fly by Earth on or close to Dec. 19. It'll be some 170 million miles away. "So that's going to be ...

A stunning new image of interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) reveals the cosmic visitor's ion tail has grown ...

A radio signal? That would have to confirm the object is technlogical in nature, wouldn't it? The thing is, this isn't a ...

Astronomers are catching new glimpses of the strange interstellar visitor 3I/ATLAS as it re-emerges into the predawn sky ...

Ever since astronomers first detected interstellar comet 3I/ATLAS in July, speculation about its true nature has run wild.

A newly discovered comet named C/2025 V1, which some have compared to 3I/ATLAS, is due to make its closest approach to Earth ...

New images suggest the interstellar comet 3I/ATLAS may have an anti-tail. Harvard astronomer Avi Loeb talks with NBC News’ ...

While earlier observations indicated 3I/ATLAS appeared red in color, additional analysis has led astronomers to note in a ...

Recent photos reveal that 3I/ATLAS did not disintegrate during its recent fly-by of the sun, leading Harvard scientist Loeb ...