What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

A massive interstellar object is racing through our solar system at breakneck speed, and scientists are scrambling to ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

NASA's Psyche orbiter looked back and snapped a photo of Earth with the moon on its way to the asteroid Psyche in 2029. - NASA / JPL-Caltech / ASU illustration As a NASA spacecraft whizzed away from ...

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

On a pale morning in January 2005, a metallic object the size of a dishwasher descended through the thick haze of Saturn’s ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

The suspected comet, discovered on 1 July, is only the third known interstellar object to pass through the Solar System – ...

On its closest-ever flyby to the sun, NASA's Parker Solar Probe captured newly released images of solar winds purging out from the sun's outermost atmosphere, the Corona. Scientists are learning more ...

NASA’s Perseverance rover has been exploring the surface of Mars for evidence of ancient microbial life since 2021, but it’s ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...