SpaceX's Falcon Heavy Launch Delayed By Strong Winds
After years of anticipation, SpaceX is supposed to launch its first ever Falcon Heavy rocket today. SpaceX CEO Elon Musk wants to eventually use these rockets to send people to Mars. However, strong winds could put a dent in the company's plans.
Mary Beth Griggs, Assistant Editor at Popular Science, explains what's causing the delay. Even though the rocket is massive, slight changes to the weather could lead to disaster.
The Falcon Heavy rocket cost about $90 million to build. It is the largest rocket SpaceX has made so far, with 27 engines.
The proportion of U.S. kindergartners exempted from school vaccination requirements has hit its highest level ever, 3%, U.S. health officials said Thursday.
New research shows that people can be genetically predisposed to having sleep problems like insomnia and that these signs can show up in early childhood.
The National Zoo's three giant pandas, Mei Xiang, Tian Tian and their cub Xiao Qi Ji. on Wednesday began their long trip to China, leaving behind an empty panda exhibit with no certainty that pandas ever would again take up residence there.
