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

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds.

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

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

Nearly 40 years after its launch, the probe continues to gather information and challenge everything we know about space.

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

A nearby star has just been caught throwing a tantrum – and it could rewrite what we know about the potential for life in the ...