Masami Ouchi, a professor at the National Astronomical Observatory of Japan (left) and Kimihiko Nakajima, an associate professor at Kanazawa University, at the education ministry on Tuesday | JIJI

A tiny galaxy discovered more than 13 billion light-years from Earth may offer the clearest evidence yet of the universe’s earliest stars, according to a recent study by a Japanese-led research team.

An international research team led by researchers from Kanazawa University and the National Astronomical Observatory of Japan used the James Webb Space Telescope to observe an ultra-faint galaxy known as LAP1-B, dating to roughly 800 million years after the Big Bang.…