Comet 3I/ATLAS is the third known interstellar comet after 2017's 1I/'Oumuamua and 2019's 2I/Borisov. It was discovered on ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

Erupting Sun May Have Blasted Cannibal CME Towards Earth Credit: Space.com | footage courtesy: NASA/SDO| edited by Steve ...

At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading ...

According to NASA, 3I/ATLAS has an icy nucleus and a coma, which is a bright cloud of gas and dust that surrounds the comet ...

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...

In 2026, many people will hear the same strange phrase repeated again and again. The Sun will briefly disappear. It sounds ...

The space object, which was only recently discovered by scientists, will pass closest to Earth on Friday, December 19. Here's ...

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

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its composition.