In the heart of the Milky Way is a black hole millions of times more massive than our sun, but does that mean we're destined ...

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

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

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came ...

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

What if Earth sat at the center of the solar system? Imagine a universe rearranged with our planet as the gravitational hub.

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

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

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

On Jupiter’s moon Io—the solar system’s most volcanically active world—you’ll find the mountain Ionian Mons. Its height is estimated at nearly 8 miles. All in all, scientists have discovered more than ...

A rare sight in the night sky caused early confusion when Comet Borisov was wrongly identified as interstellar object ...