West's work on modeling the Earth's shape assisted with the development of GPS, today used by an estimated 4 billion people.

February is packed full of celestial events including Mercury retrograde and a solar eclipse - here's what it could mean for ...

Did you know that seven planets are set to go into retrograde this year? Find out more about all the upcoming retrogrades of 2026.

SpaceX is asking the Federal Communications Commission to approve a plan to put up to a million satellites in orbit to process AI data.

Ground-based observations suggest the former geostationary inspector satellite suffered a fragmentation event months after ...

Pluto and Charon don’t behave like a typical planet and moon system. Instead of Charon orbiting inside Pluto’s body, both objects orbit a point in space between them called the barycenter. That’s why ...

As a Navy mathematician in the 1950s and beyond, she played an unheralded but foundational role in making possible the global satellite-based mapping system.

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...