Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

Astronomers from the Harvard-Smithsonian Center for Astrophysics (CfA) and elsewhere report the discovery of a new brown ...

Ancient Chinese astronomers observed a solar eclipse in 709 BCE with remarkable detail. These old records are now helping ...

Long before modern observatories and spacecraft, court scribes in ancient China were quietly building one of humanity’s first ...

Understanding how the universe transitioned from darkness to the emergence of stars marks a critical shift known as Cosmic Dawn. Yet, astronomers have struggled to unravel details about the first ...

A NASA planetary scientist has proposed what may be the first scientifically sound explanation for the mysterious Star of Bethlehem that guided the three wise men to the infant Jesus over two ...

A new study revisits ancient Chinese records to explore whether a comet could explain the Star of Bethlehem described in ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.