This chart shows the average density of urban areas of populations of 500,000+ people, by country (in population per square ...

(MENAFN- The Rio Times) Spot gold is trading this Friday morning around $4,060 per ounce, down roughly 0.3% on the day and about 2–3% below last week's levels. Silver is hovering near $49.5–50 after ...

Mario Aguilar covers technology in health care, including artificial intelligence, virtual reality, wearable devices, telehealth, and digital therapeutics. His stories explore how tech is changing the ...

This story is from an installment of The Oeno Files, our weekly insider newsletter to the world of fine wine. Sign up here. At 1,148 feet, the Tuscan vineyard Poggio Al Vento takes its name—Italian ...

Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 meters, or 31,237 feet, his team announced Wednesday. The SolarStratos ...

The SolarStratos plane made the landmark flight from Sion airport in southwest Switzerland on Tuesday, taking advantage of warm air thermals to go beyond the record that has stood for 15 years. The ...

Swiss pilot Raphael Domjan has beaten the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 metres, his team announced. The SolarStratos plane made the ...

Constant pressure charts illustrate the varying *height* of a specific constant pressure surface (e.g., 500 mb), contrasting with surface charts which depict varying *pressure* at a constant height ...

At $18.53, American Airlines stock remains above its 5-, 20- and 50-day exponential moving averages, indicating sustained buying pressure. The stock's position above its eight-day simple moving ...