In late April 2026, a long-period comet will swing through the inner solar system. It will likely be visible with binoculars, ...

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second. You can’t project ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

Scientists tracked interstellar comet 3I/ATLAS and found rotating jets in a rare sun-facing tail during its 2025 pass through the solar system.

NASA’s Europa Clipper spacecraft has recorded important new observations of the interstellar comet 3I/ATLAS using its ...

The interstellar comet 3I/ATLAS has surprised scientists once more by altering its trajectory, sparking renewed concern ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

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.

Astronomers worldwide are gearing up for a year of spectacular comet sightings in 2026. Multiple comets will be observable through binoculars and small telescopes. Some, like C/2025 R3 PanSTARRS, may ...

Comet Lemmon will cut through the neck of a cosmic serpent on the night of Oct. 26, when it passes through the stars of the constellation Serpens Caput ahead of its close approach to the sun in early ...