One Galaxy’s Light Reveals a Vast, Unexpected Ionized Expanse
JWST light from one early galaxy hints at a 210-megaparsec ionized region in a universe that was still largely neutral.
cosmic dawn
A Cosmic Gas Cocoon Could Grow Black Holes Faster Than Expected
Could Little Red Dots hide black holes inside giant gas envelopes? New models suggest a fast-growth path—and winds that may end it.