While O2 sensors have no fixed replacement schedule, your driving style and the health of other engine components can ...

P0171 is a diagnostic trouble code that means the engine’s air-to-fuel mixture on Bank 1 is too lean, with too much air ...

A look at the science behind Elon Musk's goal of a million-person city on Mars, and why planetary scientists say terraforming ...

This story was updated in November 2025. Between the numb hands and the bulky layers of winter gear that make it nearly impossible to move gracefully, working on your car in a cold garage just isn’t ...

Using a portable sensor, the technology analyzes exhaled biomarkers to detect lung conditions without a lab test or chest x-ray.

Test your knowledge on changing approaches to managing patients with asthma outlined in the 2026 GINA asthma update.

A sweat test at Gatorade's sports science lab for elite athletes revealed I wasn't consuming enough water, electrolytes, or carbs during workouts.

Today:Early fog in the far southwest clears quickly. Most areas stay dry with sunshine and variable cloud, though northern and northeastern regions may see isolated showers. Light winds overall, ...