Reuters Science News Summary

U.S. astronauts Bob Behnken and Doug Hurley, who launched to the space station in May, are expected to board Crew Dragon around 5:30 p.m. ET and splash down at one of seven landing sites in the Gulf of Mexico or Atlantic Ocean at about 2:48 p.m. ET on Sunday.

Following is a summary of current science news briefs. NASA astronauts riding SpaceX capsule poised for weekend return, weather permitting

The two NASA astronauts who rode to the International Space Station aboard SpaceX's new Crew Dragon are due to return on Sunday after a two-month voyage that marked NASA's first crewed mission from home soil in nine years. U.S. astronauts Bob Behnken and Doug Hurley, who launched to the space station in May, are expected to board Crew Dragon around 5:30 p.m. ET and splash down at one of seven landing sites in the Gulf of Mexico or Atlantic Ocean at about 2:48 p.m. ET on Sunday. NASA launches new rover to search for signs of past Martian life

NASA's next-generation Mars rover Perseverance blasted off from Florida's Cape Canaveral on Thursday atop an Atlas 5 rocket on a $2.4 billion mission to search for traces of potential past life on Earth's planetary neighbor. The next-generation robotic rover - a car-sized six-wheeled vehicle carrying seven scientific instruments - also is scheduled to deploy a mini helicopter on Mars and try out equipment for future human treks to the fourth planet from the sun. Its arrival at Mars is planned for Feb. 18 at the site of an ancient river delta.

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