On July 02, 2025, astronomers confirmed the discovery of Comet 3I/ATLAS, marking only the third time in recorded history that an interstellar object (ISO) has been identified passing through our Solar ...

The interstellar interloper is zipping through our solar system at ludicrous speeds, clocking in at 37 miles (60 kilometers) per second.

Astronomers Discover ‘Ammonite,’ a Mysterious Distant Object That Could Shed Light on Our Solar System’s History The celestial body’s unusual orbit “implies that something extraordinary ...

A newly found icy object, Ammonite, may be a 4-billion-year-old fossil from the Solar System’s edge—and it’s casting doubt on the Planet Nine theory.

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 ...

In a cosmic first, astronomers have spotted the earliest signs of rocky planet formation around a young star. The discovery offers a rare vision of how Earth-like worlds may begin.

And one day, the solar system will cease to exist. But when will the solar system end? And how will it die out? The answers to those questions depend on how we define the death of the solar system.

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

Observations of a young star offer a glimpse of the high-temperature conditions that shaped rock formation in the early Solar System.