New clues emerge in the mystery of a star with odd light patterns.
A process involving ultraviolet light from the sun helps explain the ratio of heavier to lighter carbon in Mars' atmosphere and...
Data from NASA's NEOWISE mission are giving new insights into comet dust, nucleus sizes, and production rates for...
Dense filaments of dark matter particles, called "hairs," are sprouting from Earth, according to a new study based on computer...
The Mission Transcript