Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been manageable, but a massive super-Earth could have made our planet uninhabitable ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our ...

Geologic map of the asteroid belt. Circles identify the asteroid families from which our meteorites originate and letters mark the corresponding meteorite type. The horizontal axis ranges from short ...

Simpson and Chen’s work also sheds light on why our solar system is structured the way it is. The absence of a super-Earth in ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Ever since the beginning of the Space Age, the inner planets and the Earth-Moon system ... And so our probes have mostly plied the relatively cozy confines inside the asteroid belt, visiting ...

17, 2025 — New modeling indicates the main belt asteroid (52246 ... but ruled out an impact of the asteroid with ... The Galactic Journey of Our Solar System Feb. 25, 2025 — Astronomers ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...