JWST and Gemini North found two quasars about 18,100 light-years apart, 900 million years after the Big Bang. A lensed double image is not yet ruled out.
Murad Ali Khan11 min read
news · Astronomy Evidence status: Peer reviewed · Statistical analysis of a public catalogue
Gravitational-wave data show merging black holes crowd near 10 solar masses and nearly vanish at 12–16. A model links the peak to stars that fail to explode.
A new npj Palaeoecosystems study dates the Taung child to 2.96 to 3.03 million years ago and finds adult fossils filed with its species may not belong together.
A 6-million-year-old pygmy sperm whale skull from Peru has both bony nostrils on its left side. Scientists infer it fed on the seafloor; one skull is known.
Chimpanzee raspberry call study: 91 apes in eight groups used the sound in one stable way only where adults were present. What it shows, and its limits.
Murad Ali Khan11 min read
news · Astronomy Evidence status: Peer reviewed · Observational study
TESS watched hot Jupiter TOI-2535 b's transits shrink and stop over seven years. Models point to an unseen, tilted giant neighbour that is not yet detected.
Machine learning scored 2,839 ray-finned fish species: schooling arose about 60 times, was lost about 320, and tracks predators, diet and diversification.
Murad Ali Khan11 min read
news · Physics Evidence status: Peer reviewed · Single experiment
A laser-trapped quantum gas on China's space station spread so slowly over 7 seconds that it equals 9.7 picokelvin. What that record means, and what it doesn't.
Pure iron melts at 4,160 K at 200 GPa in a new Science study using microsecond electric pulses, hinting at a cooler core edge and easier early geodynamo.