About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity. The Sun, planets, and eventually Earth formed out of the cloud. But when did ...

Discovery of oxygen raises new questions about how solar system formed. In this undated photo, Rosetta finds oxygen on comet 67P. ESA/Rosetta/NavCam – CC BY-SA IGO 3.0 — -- The European Space ...

This animation shows how an asteroid would appear during different phases depending on its location relative to the Sun, similar to how the Moon has phases. Approximately 4.6 billion years ago our ...

NASA scientists are suddenly turning their attention to Uranus, a planet long neglected and still largely unexplored. According to a new planetary science report, a flagship mission to Uranus is now ...

Asteroids are not just random rocks — some are massive, fast, strangely shaped, or on trajectories that make scientists pay ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

Jupiter, the largest planet in the solar system, may have been responsible for a mysterious age gap in the early solar system's planet building blocks. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya ...

Billions of years ago, Jupiter’s violent growth transformed the young solar system, smashing icy and rocky bodies together at incredible speeds. These cataclysmic collisions created tiny molten ...