The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

Scientists who study comets are struggling to keep up with popular speculation that the interstellar object 3I/ATLAS was sent ...

I/Atlas continues to head toward Earth, reaching a close distance to our sun. Here's what to know about the online discord ...

In 1977, NASA launched the Voyager probes to explore the outer reaches of the Solar System and the interstellar space beyond. Eventually, both spacecraft encountered a blazing “wall of fire” at the ...

A rare interstellar comet named 3I/ATLAS is hurtling through the solar system. It would give astronomers a rare glimpse of ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...

Learn about the solar system in our new What If song. Explore planets, moons, and cosmic wonders through music and ...

Solar flares, the sudden bursts of radiation that erupt from the Sun’s atmosphere, have become a topic of intense scrutiny ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

The widely talked about Comet 3I/ATLAS will pass by the sun on Thursday, but it will be December before stargazers can get a ...