The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Have you ever wondered why the planets in our solar system align along a flat plane? Discover the science behind this cosmic arrangement, from the formation of the protoplanetary disk to the forces ...

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Samples of asteroid Bennu contain molecules that suggest the "conditions necessary for life" were widespread across the early ...

President Trump has appointed Chris Rocheleau as the acting FAA administrator following a tragic aircraft collision near Washington, D.C. Rocheleau, with over two decades of experience at the FAA ...