Does space flight compromise an astronaut's ability to fight cancer and viruses?

Astronaut health Organizations around the world are working to send humans to Mars, from NASA and other government agencies to commercial operations like Boeing and SpaceX. But the journey to…

The hexagon of Saturn could be a huge tower

Six-Sided Jet Stream Leigh Fletcher from the University of Leicester, UK, the lead author of this new study, described the hexagon of Saturn in an e-mail as "a meandering jet…