Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) are two liver enzymes measured in a blood test to check the health of your liver. High AST and ALT levels are a general sign of ...

AST SpaceMobile invented the concept of direct-to-cell phone calls between ordinary cellphones communicating via satellite. SpaceX liked the idea, and in 2022, began working to take over the DTC ...

AST SpaceMobile has announced an agreement for long-term access to up to 45 MHz of lower mid-band spectrum in the United ...