Hanneke Weitering, staff writer for Space.com, breaks down what could go wrong or right during SpaceX's Falcon Heavy launch. The company is planning on launching the rocket from the Kennedy Space Center Tuesday after years of delay.
Weitering says the Falcon Heavy is a "big, awesome rocket" that could eventually take passengers to the moon or even Mars. It was originally set to launch in 2013.
Weitering explains the Falcon Heavy launch is a big deal for space exploration, since the rocket can be reused. The test payload for the rocket is Elon Musk's original Tesla Roadster.
Officials warned residents and tourists packing Mediterranean destinations on Tuesday to stay indoors during the hottest hours as the second heat wave in as many weeks hits the region and Greece, Spain and Switzerland battled wildfires.
While the East Coast grappled with the aftermath of downpours that closed roads and rendered the water supply undrinkable in places, the West and other parts of the country contended with sizzling temperatures and unsafe air quality attributed to Canadian wildfires.
U.S. officials on Monday approved the first long-acting drug to protect babies and toddlers against a respiratory virus that sends tens of thousands of American children to the hospital each year.