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

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

The solar system's journey through the galaxy is more complex than most imagine. While we often picture planets orbiting the ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

A new study by experts from Nasa and the University of Oxford suggests that Uranus gives out more heat than it receives from ...

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

Comet 31/ATLAS, a rare interstellar object, may be 7 billion years old and could reveal secrets about the early Milky Way and ...

For the first time, astronomers have successfully observed the earliest stages of planet formation around a star outside our ...

An international team of scientists have provided an unprecedented tally of elemental sulfur spread between the stars using ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to researchers. The mysterious cosmic object was discovered last week, and is ...