Unidentified Interstellar Object Found in Our Solar System
Sarah Lewin, Associate Editor for Space.com, discusses the latest scientific discovery found in our solar system, which has astronomers scratching their heads. Oumuamua first left scientists thinking it might have held alien life.
The object was first thought to be an asteroid. But because of its outer consistency, scientists think it is closer to a comet. Researchers are still studying the object, but because of advances in technology, they expect to find more objects like this in our solar system more often.
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.