Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Once they escape the Sun, they zoom through space at the speed of light, eventually reaching Earth and giving us that sweet, ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

#2. The Moon came from Earth. It didn’t form beside our planet, and Earth’s gravity didn’t capture it. The latest theory says ...

Amazing NASA facts about solar system explorationIt’s a bubble made by solar wind from the Sun. Its edge, called the termination shock, is about 100 times farther than Earth. What is the ...

How far away it is: 93 million miles (150 million km) ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth. Comments ( 0 ) (Image credit: Yevheniia Kudrova via Getty Images) Jump to: The sun fast facts ...

Jupiter is by far the largest planet in our solar system. The huge ball of hydrogen and helium circling the sun is about 88,000 miles wide, meaning more than 1,300 Earths could fit inside it.