Science Space.com

Soviet-era cosmonaut Vladimir Aksyonov, who flew into space twice, dies at 89
Space weather can make it hard to predict satellite trajectories. Here's why that's a problem
Stars make a bigger mess in old galaxies, and scientists just figured out why
Top total solar eclipses to look out for over the next decade
What happened when the moon 'turned itself inside out' billions of years ago?
Could these big expandable habitats help humanity settle the moon and Mars?