For heart rate testing, Horst used a Polar H10 chest strap as the benchmark. The Apple Watch Ultra 2, running watchOS 26 beta, delivered results that were nearly identical to the strap during indoor ...

Apple has officially released iOS 18.6.1 and WatchOS 11.6.1, reactivating the blood oxygen monitoring feature for the Apple Watch Series 9, Series 10, and the Apple Watch Ultra (2nd generation) in the ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did. The new iOS 26 ...

Samuel Lellouch does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

Army Secretary Dan Driscoll is shown the newly arrived Lower Tier Air and Missile Defense Sensor, or LTAMDS, seen in the background during a rainstorm on Guam on July 27, 2025. (SFC Nicole Mejia/U.S.

The U.S. Space Force's secretive X-37B space plane is poised to launch to orbit once again. The X-37B is slated to lift off atop a SpaceX Falcon 9 rocket on Aug. 21 from NASA's Kennedy Space Center in ...

Image of an L3Harris EA-37B aircraft integrated with electromagnetic attack mission system capabilities. (L3Harris Technologies) The Italian government will select and prepare a site for the ...

The U.S. Space Force expects to launch the eighth X-37B mission no earlier than Aug. 21. Credit: U.S. Space Force The U.S. Space Force plans to use its X-37B orbital test vehicle to conduct ...

A U.S. spaceplane will head to the heavens next month to test a quantum sensor that could help navigation in orbit without GPS, and to demonstrate new methods of space-based communications, the Space ...

The facility, based in Italy, is the first of its kind outside the US and will be used to support the G550 aircraft modifications alongside other air, surface and maritime platforms. L3Harris has ...