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

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

Explore the terrifying outcome if Jupiter swallowed every planet in the solar system. Senate to vote Friday on pathway to end ...

A look at the potential effects of a rogue planet entering our solar system, from shifting Earth’s orbit to triggering ...

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

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

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

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

“If you build a map at a wavelength that water absorbs, you’ll see the water deck in the atmosphere, whereas a wavelength ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...