A team of astronomers has discovered the most-distant body ever observed in our Solar System. It is the first known Solar System object that has been detected at a distance that is more than 100 times ...

For the first time, an object in our solar system has been found more than 100 times farther than Earth is from the sun. The International Astronomical Union's Minor Planet Center announced the ...

Carnegie’s Scott Sheppard and his colleagues — Northern Arizona University’s Chad Trujillo, and the University of Hawaii’s David Tholen — are once again redefining our solar system’s edge. They ...

Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of ...

The James Webb Space Telescope achieved a rarity — snapping an image of a planet beyond our solar system. "This discovery is exciting because the planet is quite similar to Jupiter — it is a little ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have found a distant celestial body — ...

The recent visit to our solar system by the interstellar object 3I/ATLAS has sparked speculation about whether it’s another ...

A darkened planet circling the feeble remnant of a burned-out star about 6,000 light-years from Earth shows what our own solar system will look like at the end of its existence, astronomers say. The ...