House Speaker Mike Johnson's (R-La.) guests at the State of the Union on Tuesday night will include the crew of NASA's Artemis II lunar spaceflight mission, Axios has learned. The big picture: ...

For about six months, NASA's Curiosity Mars rover has been exploring a region full of geologic formations called boxwork, low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy ...