The halo was first glimpsed in 1972 when Apollo 16 astronauts placed an ultraviolet camera developed by Dr. George Carruthers on the Moon.

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission ...

Blue Origin’s New Shepard rocket launched successfully from West Texas on September 18. This mission, the 15th dedicated to carrying scientific payloads, carried over 40 experiments from students, ...