A recalibrated supernova sample and new DESI measurements show why stronger cosmological claims need tougher tests of the ...
FRB 20240304B came from a young dwarf galaxy about 3 billion years after the Big Bang, Webb observations reveal.
Learn about the remnant of a historic supernova observed around 850 years ago and the zombie star that has survived at its center.
Record-breaking detection: FRB 20240304B traveled over 10 billion years, doubling the previous distance record for fast radio bursts. Unexpected host galaxy: Webb found a tiny, metal-poor, ...