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

Astronomers have, for the first time, captured what they believe are the very first moments of rocky planet formation around ...

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

While astronomers have previously seen young discs that contain newborn, massive, Jupiter-like planets, McClure says, “we’ve ...

"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 ...

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 ...

Our Solar System possibly survived a supernova because of how the Sun formed ... Regions where one or more of these filaments meet, known as hubs, are where massive stars form.

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

Our Solar System is full of mysteries, but if the inner planets are a puzzle, the boundary between the Solar System and interstellar space is a secondhand puzzle with half the pieces missing.

The quest to find hidden worlds. Searching for planets lurking in the frigid edges of our solar system is not a new concept. The so-called Planet Nine, a world 10 times more massive than Earth, is ...

Meanwhile, outer dark comets, which may have come from the outer regions of our solar system near Jupiter and beyond, have distinctly oval-shaped orbits and can span hundreds of meters or more.