Discover what could happen if Planet X entered our solar system unexpectedly. Government shutdown reaches its 40th day as ...

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 ...

What if we’ve been overlooking the real gem in our solar system? Scientists are starting to think Venus, not Mars, could be ...

Research shows Jupiter’s strong gravitational pull may have protected Earth by keeping its orbit steady and preventing it from drifting toward the Sun.

New strategies may soon allow scientists to test dark energy theories within our own solar system, linking cosmic-scale physics to local observation. Science advances through a cycle of proposing ...

"This information is of great importance to advancing our understanding of interstellar visitors and their interaction with ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

This article was originally featured on The Conversation. 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 ...