The week's good news: July 30, 2020

It wasn't all bad!

Perseverance.
(Image credit: Red Huber/Getty Images)

1. NASA rover Perseverance launches for Mars, searching for signs of life

Bound for Mars, the NASA rover Perseverance is equipped to explore an area where scientists hope it will find signs of ancient life. The $2.7 billion rover left Earth on Thursday morning, and will land on the Red Planet around Feb. 18, 2021. It will collect soil and rock samples, which will be placed into tubes that are picked up by another rover in 2026 and set to arrive back on Earth in 2031. Scientists will study the samples to see if there is a common origin between life on Earth and life on ancient Mars, if there was any. Perseverance is programmed to land in Jezero Crater, where there was once a river delta that flowed into a lake. Scientists chose that spot because Mars does not have plate tectonics, meaning the surface hasn't changed much over the last four billion years, and they believe this area will be rich with samples.

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Catherine Garcia, The Week US

Catherine Garcia has worked as a senior writer at The Week since 2014. Her writing and reporting have appeared in Entertainment Weekly, The New York Times, Wirecutter, NBC News and "The Book of Jezebel," among others. She's a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.