Former NASA Astronaut: Commercial Space Travel Is 10 Years Away
Mike Massimino, the former astronaut who became the first man to tweet from space during one of his two space flights, says companies like SpaceX, Virgin Galactic, and Blue Origin are close to sending paying customers to space. These companies are "the best hope we have for a thriving space program," he tells Cheddar in an interview Thursday.
For the full interview, [click here](https://cheddar.com/videos/spacing-out-with-mike-massimino).
U.S. officials granted full approval to a closely watched Alzheimer’s drug on Thursday, clearing the way for Medicare and other insurance plans to begin covering the treatment for people with the brain-robbing disease.
The planet's temperature spiked on Tuesday to its hottest day in at least 44 years and likely much longer, and Wednesday could become the third straight day Earth unofficially marks a record-breaking high, the latest in a series of climate-change extremes that alarm but don't surprise scientists.