Long before modern observatories and spacecraft, court scribes in ancient China were quietly building one of humanity’s first datasets on the changing sky. Their terse notes on sudden daylight ...

Researchers have returned to the records of a rare sky phenomenon seen in China around 2,700 years ago. Applying modern astronomy methods and measurements to recreate the appearance of the sun in Qufu ...

Researchers have shaken up a once accepted timeline for cataclysmic events in the early solar system. About 4.5 Ga (giga-anum, or billion years ago), as a large disc of dust and ice collapsed around ...

Since the solar system formed over 4.5 billion years ago, planets and other objects have been subject to constant change due to heating from the Sun. But a new model developed by researchers from ...