Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

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

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

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

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

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

The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

According to the latest mathematical models, the moon has a fluid outer core and a solid inner core, similar to Earth’s. The ...

For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...

What: Astronomers using JWST and ALMA have captured the earliest known stage of planet formation around the protostar ...