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

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

"Some of our ancestors were very skilled observers." A team of international researchers say they've uncovered new data on ...

When the 3 rd -century Christian theologian Origen of Alexandria attempted to account for the unusual movements of the Star ...

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 ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James ...

For more than a century, astronomers debated the possibility of martian canali (channels) which Italian astronomer Giovanni Schiaparelli claimed to see on the Red Planet in 1877. Mistranslated into ...

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

The ancient Greeks we admire today regarded these seven men as the wisest of their time. They attributed to them not only the ...

High on a hill in Turkey, the world’s oldest temple may hide a cosmic secret. Did its builders align their pillars with ...

The interstellar comet 3I/ATLAS is making its closest approach to Earth on Dec. 19. Learn about the 'reconnaissance mission' ...