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 ...

The infinite expanse of space is somehow feeling a little bit bigger now, after an international team of researchers announced they had discovered the most distant astronomical object ever observed.

Distance records are an excellent proxy for the state of the art in astronomy. Finding extremely faraway galaxies is hard. In ...

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 ...

Astronomers have spied a monster radio jet in the distant universe that’s twice the width of the Milky Way galaxy. The ancient object formed when the universe was less than 10% of its current age of ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Astronomers know that the universe is at least 13.5 billion years old. The “Big Bang” event, which many believe started the universe as we know it, is packed with trillions of galaxies and stars ...

Just over a year ago, courtesy of NASA’s New Horizons mission, we were treated to images of 2014MU69, a small object 6.6 billion kilometers from the sun – making it the most distant object to have ...

A random search has turned up a dwarf planet orbiting roughly 10 billion miles away. The far-off world is tiny, and probably very, very cold. Astronomers Spot Most Distant Object So Far In The Solar ...

CAPE CANAVERAL, Fla. (Reuters) - Astronomers have discovered what appears to be a miniature planet that is the most distant body ever found in the solar system, scientists said on Wednesday. "We can't ...

Astronomers discovered a planetoid orbiting the sun further than any known object in the solar system. Called "Farfarout," the object orbits the sun every 1,000 years. Objects like Farfarout could ...

Astronomers have discovered the most distant object ever seen – a strange galaxy some 13.5 billion light-years away. Named HD1, the galaxy may house a never-before-seen population of stars, or a ...