Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Since the dawn of human civilization, planets have captivated our collective imagination. These cosmic wanderers – sweeping across the night sky in breathtaking celestial choreography – continue to ...

We all picture the Solar System as a neat cosmic racetrack with planets orbiting the Sun on a flat, organized path. But have you ever wondered what lies above and below that path? In this video, we ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Danny Lewis: Almost 800 million miles away from Earth, the moon Enceladus orbits ...

On July 1, the Asteroid Terrestrial-impact Last Alert System (ATLAS) detected what was first believed to be an asteroid. As calculations for its orbit progressed, it was found to be from outside our ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.