Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

In the heart of the Milky Way is a black hole millions of times more massive than our sun, but does that mean we're destined ...

Researchers rarely get a glimpse of an interstellar object up close like 3I-ATLAS, so they have jumped on the opportunity to learn about its composition, which can reveal how planet systems are made.

Andalusian scientists discover a rare system where three Earth-sized planets orbit two stars, reshaping theories on how ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned about its origin, chemistry, and trajectory ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

A rare interstellar visitor, comet 3I/ATLAS, is currently traversing our solar system, offering scientists a unique chance to ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be ...