In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

Why do all the planets orbit in nearly the same plane? This episode explores the birth of the solar system from a collapsing ...

NASA confirms 3I/ATLAS visible tonight — learn when and where to spot the rare interstellar comet lighting up Earth's skies ...

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

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

The interstellar comet 3I/ATLAS is not just a visual spectacle but also a scientific treasure. As the third such interstellar ...

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

Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

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.

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