332 articles from THURSDAY 21.5.2020

Untangling a key step in photosynthetic oxygen production

Researchers zeroed in on a key step of photosynthetic oxygen production. What they learned brings them one step closer to obtaining a complete picture of this natural process, which could inform the next generation of artificial photosynthetic systems that produce clean and renewable energy from sunlight and water.

Astronauts arrive in Florida to set new NASA traditions for crewed spaceflight

Two NASA astronauts landed at NASA's Kennedy Space Center in Florida today to go through a set of pre-launch traditions that haven't been followed for nearly nine years — and create a few new traditions as well. When Doug Hurley and Bob Behnken walked out of a NASA Gulfstream jet and met the press, they began a routine that's due to climax next week with the first orbital launch from...