BMW says that during the development of the E39 generation M5 sport sedan, the carmaker considered a V-6 and a turbocharged inline-6 before settling on the V-8 motor it used.© Jonathan McWhorter ...

An M5.6 solar flare erupted from sunspot AR4046 on April 1 — now in Earth's strike zone. Could it trigger a geomagnetic storm and northern lights?