A gradual shift in Earth’s orbit that repeats every 405,000 years plays a role in natural climate swings.
Solar System Archives - State of the Planet
Mercury’s dark surface is revealing intriguing new clues about the formation of the solar system, including evidence announced today that the planet closest to the Sun may have formed in part from carbon, a key component of life.
“The Observatory has remained a powerhouse in Earth science research and a very special place. The scientists here are true explorers—creative and fiercely independent.”