An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The space agency says the presence of Planet Nine would explain these unusual orbits and make our Solar System seem a little more "normal", but that it has not yet been discovered. NASA wrote in a ...

“Now we can go and find this planet and make the solar system have nine planets once again.” In a NASA post, titled “Is Planet X real?”, the space agency lays out the research done by ...

New observations from NASA's James Webb Space Telescope have revealed that auroras on Jupiter are hundreds of times brighter ...

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told ...

But do other planets have seasonal patterns, too? Indeed, other planets, dwarf planets and moons in our solar system do have seasonal ... the best northern lights NASA Mars satellite uncovers ...