There's a bit of a historical mystery surrounding the star Theta Eridani. Ptolemy in the second century A.D. and al-Sufi in A.D. 964 both recorded Theta Eridani as one of the 13 brightest stars in the ...

The European Space Agency’s Euclid space telescope has identified 31 ancient quasars, including the two earliest ever ...

Astronomers searching the deep sky with the European Space Agency's (ESA) Euclid space telescope have turned up the oldest ...

"Such high-energy events can provide astronomers with a wealth of insights. We can study the physical processes in some of ...

Astronomers have uncovered 31 of the oldest known quasars, including the two earliest ever detected, shining from a time when ...

Scientists studying interstellar comet 3I/ATLAS say its unusual chemical fingerprints suggest it formed around an ancient ...

Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe around them. The meticulous star catalog belonging to one of the best of these ...

"The Ancient Astronomers of Timbuktu takes us from the edge of the Sahara Desert, to Addis Ababa in the East and Cape Town on the Southern tip of Africa. We follow investigative and collaborative ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos. When you purchase ...