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, ...

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 ...

ESA's Gaia mission has determined he orbits of 154,741 asteroids in our solar system. Credit: ESA/Gaia/DPAC ‘That Has Never ...

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 ...

Astronomers using the James Webb Space Telescope have made the first 3D map of an alien planet's atmosphere, revealing ...

In roughly five billion years, scientists warn that our sun will burn the last of its hydrogen fuel and begin expanding into ...