All Day

IAU Symposium 407: Origins 2026

Paris, France

Those in fields of chemistry, biology, planetary science and astrophysics are invited to explore the origins of life and habitability on Earth and beyond. The program will feature the latest discoveries in prebiotic chemistry, the evolution of early life, and habitability across the Solar System and exoplanets, as well as […]

Earth at Aphelion, 1.0167 AU from the Sun

Global / Inter-Global

Occurs 07:30 HST / 17:30 UTC; Earth aphelion is the point in its elliptical orbit where it is farthest from the Sun, occurring annually in early July; at aphelion , Earth is about 94.5 million miles from the Sun, or roughly 3% farther than its closest point, perihelion, in January.