NASA's Perseverance rover peered into a Mars rock named 'Sid'

Just another rocky day on the Red Planet for NASA. A new batch of photos from the space agency's Perseverance rover introduces us to "Sid," the latest Mars rock that's been selected for sampling as part of NASA's mission to learn more about the planet and its geological history. The rover's date with Sid marks something of a milestone, as it's likely to be the last sample collected before Perseverance moves on to a new, previously unvisited location. "I took out my abrasion tool again, for a loo...