This past December, the high sensitivity of the James Webb Space Telescope (JWST ... in every astronomy textbook is: What are the smallest stars [to exist in the universe]? That's what we're ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

Breakthrough Starshot, a Russian billionaire's $100-million effort to explore the closest star system to our own, has launched the smallest-ever ... to survive in space. Each one comes equipped ...