Millions of Stars in Cigar Galaxy

Greece is planning “a first historic mission” to send a Greek astronaut to the International Space Station, Prime Minister Kyriakos Mitsotakis’ office announced Friday.

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month shows the giant molecular cloud Orion A, an area of the sky replete with star-forming clouds.

Scientists have discovered a previously unknown regulatory mechanism in plant photosynthesis in the unicellular green alga Chlamydomonas reinhardtii. It helps plants adapt to changes in light conditions. The results, published in the journal Nature Plants, show how a crucial protein…