Explore the story of our solar system’s formation, tracing how a vast cloud of gas and dust collapsed under gravity, collisions, and angular momentum to create a thin, spinning protolanetary disc.

EVANSTON, Ill. — Except for the fact that we call it home, for centuries astronomers didn’t have any particular reason to believe that our solar system was anything special in the universe. But, ...

The Oort Cloud is often described as the outermost boundary of the solar system, but its true role remains uncertain. This vast, invisible region of icy objects may extend far beyond the orbits of ...

NASA's Parker Solar Probe has been whizzing through space since 2018 at incredible speed, but it has yet to reach its final destination. Following a recent flyby of the planet Venus, Parker is finally ...

Scientists have been trying to find a hypothetical Planet 9 that may exist outside our known solar system based on the unusual orbits of certain dwarf planets. But those orbits might not require a ...

A team of scientists has found a new planet which orbits the wrong way around its host star. The planet, named WASP-17, and orbiting a star 1000 light years away, was found by the UK’s WASP project in ...

On February 11, 2010, NASA launched a spacecraft to study the inner workings of the sun. [‘On This Day in Space’ Video Series ...

This illustration provided by NASA depicts the Europa Clipper spacecraft over the moon, Europa, with Jupiter at background left. (NASA/JPL-Caltech via AP) (CN) — The largest planet in our solar system ...

LOS ANGELES (Reuters) - The interplanetary space probe Ulysses officially ceased operations on Tuesday after an 18-year voyage of roughly 5.5 billion miles and nearly three complete orbits around the ...