Science News Roundup: Steroid's COVID-19 benefits confirmed; NASA astronauts slated for August 2 return and more

U.S. astronauts Bob Behnken and Doug Hurley will gear up for the final benchmark test of SpaceX's so-called Demo-2 mission: a coordinated splashdown somewhere in the Atlantic Ocean that will cap NASA's first crewed mission from U.S. soil in nearly a decade.

Following is a summary of current science news briefs.

SpaceX capsule carrying NASA astronauts slated for August 2 return

The NASA astronauts who traveled to the International Space Station in SpaceX's first crewed flight in May are expected to return to Earth on Aug. 2 after spending two months in orbit, a NASA spokesman said on Friday. U.S. astronauts Bob Behnken and Doug Hurley will gear up for the final benchmark test of SpaceX's so-called Demo-2 mission: a coordinated splashdown somewhere in the Atlantic Ocean that will cap NASA's first crewed mission from U.S. soil in nearly a decade.

Steroid's COVID-19 benefits confirmed; spotlight on immune cells

The following is a brief roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. Full dexamethasone trial results released