The Solar System, home to Earth and countless other fascinating planets and moons, exists within the Milky Way galaxy. But ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Would one frozen world, just visible on the rim of the Sun’s kingdom, turn decades of speculation on the concealed layout of ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar System. Named 2023 KQ14, this rare “sednoid” follows an unusual orbit that ...

In a cosmic first, astronomers have spotted the earliest signs of rocky planet formation around a young star. The discovery ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | Harvard & Smithsonian said in a statement. "It shows that even very distant ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

It’s a direct glimpse of the hot region where rocky planets like Earth are born,” said Melissa McClure of Leiden Observatory ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van ’t Hoff, an astronomer at ...