
Dec. 4, 2014 — At Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida, a United Launch…

The Bell X-5 was built to test the feasibility of changing the sweep angle of an aircraft’s wings in flight.

This image shows an example of a thin-laminated, evenly stratified rock type that occurs in the “Pahrump Hills” outcrop at…

This view from the Mastcam on NASA’s Curiosity Mars rover shows an example of cross-bedding that results from water passing…

This image shows inclined beds characteristic of delta deposits where a stream entered a lake, but at a higher elevation…

Lozenge-shaped crystals are evident in this magnified view of a Martian rock target called “Mojave,” taken on Nov. 15, 2014,…

This March 25, 2014, view from the Mastcam on NASA’s Curiosity Mars rover looks southward at the Kimberley waypoint. In…

A United Launch Alliance Delta IV Heavy rocket with NASA’s Orion spacecraft mounted atop is seen after the Mobile Service…

The sun emitted a mid-level solar flare on Dec. 4, 2014, an M6.1-class.