Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

China's ambitious Tianwen-2 mission is heading for to two extremely different bodies in our solar system, and should provide ...

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space.

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary science. They have reconstructed Jupiter’s physical state at a precise moment ...

Vesta, one of the two largest bodies in our solar system's asteroid belt, has long been thought to be more than just another asteroid. Scientists had concluded that it sported some fundamental ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17 ... 2025 — New modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed ...

For decades, scientists thought that Vesta was a protoplanet rather than an asteroid. NASA's Dawn mission ... way to becoming a planet and that the Solar System's rocky planets likely began ...

a leftover remnant from the early days of our solar system that never quite made it as a fully fledged planet for some reason. As the second-largest object in the asteroid belt between Mars and ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...