Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

Trey Paul was a CNET senior editor covering broadband. His 20+ years of experience as a writer and editor include time at the broadband marketplace Allconnect, as well as working with clients like ...

Network benchmarking giant Ookla, which collects data from consumers via their popular broadband and mobile Speedtest.net ...

As the Sherpa team fixed the last meters of rope to the 8,849m summit of Everest today, the Khumbu Icefall and the Lhotse Face became increasingly busy. The first wave of climbers is on its way up. At ...

Speed or efficiency? For as long as there have been cars, drivers have had to weigh up that decision. Going faster means getting from A to B sooner, but is going to burn through more fuel, costing you ...

PHOENIX — Speed cameras across Phoenix will start issuing citations Wednesday, ending the city’s 30-day warning period in which the devices captured more than 70,000 speeding violations. The city ...

Warning: Surfing the internet in class is now linked to poorer test scores, even among the most intelligent and motivated of students. Warning: Surfing the internet in class is now linked to poorer ...

Don't settle for sluggish Wi-Fi. Learn what internet speed tests mean and how to troubleshoot and fix common issues. Joe Supan is a senior writer for CNET covering home technology, broadband, and ...

Walking pace tends to slow with age, but how much it slows matters. Researchers often call it a “sixth vital sign” because your average pace reflects the health of your heart, lungs, muscles, balance, ...

There are a number of services that are available for free to test your Internet connection speed. There are websites powered by HTML5 and previously powered by Adobe Flash; there are standalone ...

The first thing we do when we feel our internet is slow is to browse speedtest.net and run a test. That site is used by many but is still dependent on Flash. If you are like me, you would not want to ...

Ookla has released the results of its Speedtest for the Apple iPhone Air’s C1X custom silicon modem found in the super thin (and surprisingly durable) iPhone Air. The report uses global Ookla ...