Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Abstract: This article investigates a two-frame group representation method for the strapdown inertial navigation system (SINS) aided by the Doppler velocity log (DVL). The SINS-calculated attitude, ...

Abstract: In long endurance underwater vehicle rotational inertial navigation system, the rotation strategy significantly impacts navigation accuracy. To address the limitations of the dual-axis ...

Scientists have warned that Wednesday could be the shortest day of your life as Earth's accelerating rotation is expected to move quicker than ever before. They found that three days this summer, July ...