King Solomon’s mines were abandoned and became a desert wasteland. Here’s why.

Copper mines in Israel’s Negev Desert — ancient sites that may have inspired the legend of King Solomon’s mines of gold — were abandoned 3,000 years ago, when people there used up all the plants to make charcoal for smelting, a new study finds. The researchers studied fragments of charcoal from ancient furnaces in the […]

NASA will smash its DART spacecraft into an asteroid on Monday. Here’s how to watch.

NASA’s Double Asteroid Redirection Test (DART) spacecraft is set to slam into an asteroid on Monday (Sept. 26), in the first ever test of humanity’s ability to deflect life-threatening asteroids before they collide with Earth.  The 1,210-pound (550 kilograms) DART craft, a squat cube-shaped probe consisting of sensors, an antenna, an ion thruster and two […]

NASA’s Artemis 1 mission will blast off Monday (Aug. 29). Here’s how to watch.

NASA’s gigantic Artemis “mega moon rocket,” the most powerful space rocket ever built, is gearing up to blast off to the moon. The Artemis 1 mission will launch Monday, Aug. 29, on an uncrewed test flight of the spacecraft powering NASA’s Artemis moon program, which will eventually send humans back to our nearest natural satellite […]

Aerobic exercise: Here’s what it really does to your body

Personal trainers and exercise physiologists often talk about aerobic exercise and they may casually refer to it as cardio. The latter, however, is a catch-all term that more closely refers to any form of exercise that increases your heart rate. Aerobic exercise, meanwhile, is any form of exercise that uses oxygen (aerobic actually meaning “with […]

Bright-green fireballs spotted over New Zealand. Here’s what’s probably happening.

Bright-green fireballs that streaked across the skies over New Zealand last month may finally have an explanation.  On July 7, 2022, a bright-green meteor was spotted crashing into Cook Strait between New Zealand’s North Island and South Island. The meteor, likely about 3.3 feet (1 meter) in diameter, struck with explosive power equivalent to 2,000 […]