Scientists hold mixed views about “unidentified aerial phenomena”
Human Race: U.S. astronaut sets record for time in space with 5,680 trips around the Earth
By the Numbers
NASA prepares to launch a new telescope
Newly discovered spider species becomes an internet sensation
Rock core samples mark a major milestone for NASA mission
Plus: Political turmoil in Mali, protests in Argentina, a mass grave in Canada, and an extinct tortoise in the Galapagos Islands.
Scientists make a breakthrough in efforts to combat malaria
