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 ...

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

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

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

Tianwen 1 has spotted the solar system's latest interstellar intruder from Mars orbit. China's Tianwen 1 Mars orbiter has ...

A 3D map of planet WASP-18b reveals extreme heat zones and broken water vapor in its atmosphere for the first time.

Interstellar comets like 3I/ATLAS could serve as seeds for giant planet formation, potentially explaining how massive planets form around distant stars, according to BBC and Pfalzner’s research.

Interstellar object 3I/ATLAS is showing signs of "non-gravitational acceleration" as it reached its perihelion.

ESA’s Solar Orbiter captures the first detailed look at the Sun’s poles, revealing fast-moving plasma and magnetic flows.