This illustration shows Earth surrounded by theoretical filaments of dark matter called "hairs."
Expedition 64 Flight Engineer Soichi Noguchi checks out radish plants.
Earth's horizon above the Pacific Ocean off the coast of Chile.
Paris, France, the "City of Light."
The U.S. Cygnus cargo craft and Russia's Soyuz crew ship.
A waxing gibbous moon
The coast of Brazil and the mouth of the Amazon River.
Carol "Bird Song" Harrison is a quality assurance specialist (QAS) working in the Mission Assurance Branch at NASA's Langley Research…
What is a black hole? A black hole is an astronomical object with a gravitational pull so strong that nothing,…
The Earth's limb, or horizon, is pictured from the International Space Station.
