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

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

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

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

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 ...

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.

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

Imagine a fiery wall of gas reaching temperatures up to 50,000 K (equivalent to 90,000 °F). Thankfully, this barrier is not located near a star or at the ...

Mars is about to receive a double dose of attention. This weekend, a pair of identical NASA satellites will launch together ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days. the ...