Hypersonic vehicles aren't much use if you don't know where they're going, so Northrop Grumman is developing new navigation ...

If you're speeding, especially in a work zone, you may be on the lookout for troopers on the side of the roads to avoid ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

Learn how Albert Einstein’s theory reveals that time on Mars runs faster than on Earth — and why that tiny shift matters for ...

India’s benchmark indices extended losses for the fourth straight session on Wednesday, weighed down by delays in the US ...