Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects ...

Astronomers have revolutionized our understanding of a collection of stars in the northern sky called the Pleiades. They used ...

Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size.

While last week's stunning auroras delighted many people across Australia, a massive solar storm that hit last year squeezed ...

The observable universe contains so much matter and so many planets that, if it extends infinitely, identical copies of people could exist somewhere else.

PIT’s Art in the Airport program creatively wove art — existing and brand new, permanent, and temporary, and by local, ...

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

Scientists continue to explore the deep story of how Earth and the moon formed. One idea has gained attention because it pushes us to imagine the planet in its earliest and wildest days.

Anyone seeking a massive world to explore while they wait for more news on Light No Fire should take a look at these huge ...

Pluto's largest moon, Charon, likely formed through a capture event in the early, crowded Kuiper Belt. Three-body encounters ...

"Throwing a close companion into the mix could possibly wreak further havoc on the already complicated processes surrounding ...