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These New Navigation Satellites Will Orbit Much Closer to Earth
Navigation satellites are typically located in medium Earth orbit, but bringing them closer could result in greater accuracy—and heightened space traffic.
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Your A to O Guide on Blood Types and What It All Means
Blood may seem like it’s all the same, red liquid, but that’s far from the case.
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Can We Tell if a Skeleton Is From an Adult Dinosaur or a Child Dinosaur?
There are a couple of ways we can try to tell how old a dinosaur was when it died.
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How to Get Software and Security Updates on Your Old iPhone
If you’re still hanging on to a years-old iPhone and resisting the pressure to buy the latest, shiniest version, props to you. You’re probably experiencing slower performance and outdated features, among other things, but Apple is said to support iPhones with iOS upgrades for around seven years — long beyond a 1–2 year upgrade cycle.