Latest 24 Themis Stories
After successful completion of their science objectives earlier this year, two NASA spacecraft have been assigned a new mission to study how solar wind electrifies, alters and erodes the moon's surface.
Water ice on asteroids may be more common than expected.
Asteroids, once thought as dry and lifeless, may be home to water and organic materials, also known as the building blocks of life.
- Withering but not falling off, as a blossom that persists on a twig after flowering.