The Curiosity rover has been on Mars for almost a year. This time-lapse video shows what, exactly, it’s been up to. Here’s more.
As if the flu weren’t terrifying enough, French researchers have discovered the largest viruses to date. A pair of giant viruses discovered in underwater sediment samples measure 1,000 times bigger than the common flu virus.
Jean-Michel Claverie, who coauthored the paper that announced this discovery, told NPR the pandoviruses could have “emerged from a new ancestral cellular type that no longer exists—possibly from Mars.
"I heard that you are sending two people to Mars and I would like to come, but I’m 7, so I can’t. I would like to come in the future. What do I need to do to become an astronaut?"
7-year-old Dexter Walters wrote a letter to NASA, and to his surprise, NASA wrote back.