Emerging reality
Hidden Cosmic Structures
New observations and instruments are revealing previously unseen compact objects, dark-matter candidates, and diffuse cosmic components shaping the Universe.
10 stories · 9 in the last two weeks
El Gordo may reveal that dark matter collides, not merely pulls.
phys.org · 8 sources
Thorium-229 nuclear clocks can reveal ultralight dark matter by amplifying tiny shifts in nuclear parameters.
link.aps.org · 9 sources
LISA's all-glass telescope will expose unexpected millihertz gravitational-wave populations hidden beneath the compact-binary fog.
science.nasa.gov · 10 sources
Shapiro I–III are backsplash relics from past close encounters with M101 that lost their gas and stopped forming stars.
arxiv.org · 10 sources
FRB 20240304B is a direct probe showing patchy, magnetized intergalactic plasma across gigaparsecs at z=2.148.
arxiv.org · 9 sources
Five-dimensional primordial black holes in the dark-dimension scenario could be a dominant form of dark matter, proponents argue.
journals.aps.org · 9 sources
FRB 20200120E's placement in an M81 globular cluster implies old-compact-object origins, not young magnetars.
nature.com · 4 sources
IceCube's 30–1200 TeV events signal a true diffuse astrophysical neutrino flux rather than a mixed origin?
science.org · 10 sources
Microlensing surveys can find individual isolated stellar black holes but not a complete Galactic census.
zooniverse.org · 11 sources
PRIMA will map water, dust chemistry, and obscured black-hole growth across large samples, proponents say.
ntrs.nasa.gov · 10 sources