A study matches Van Gogh's The Starry Night to the predawn sky of about 22 July 1889, a month after its usual date. What the evidence shows, and the catch.
Laser shocks put magnesium oxide's complete melting at 572 GPa and 13,200 K, and crystal direction changed when it transformed. What it means for planets.
Collagen from two Xujiayao bones, 199,000 to 138,000 years old, carries a Denisovan-only variant. What it reveals about Denisovan skulls, and what is disputed.
Webb measured a methane D/H ratio of 3.18% in interstellar comet 3I/ATLAS, 13 times comet 67P. What it says about a cold birthplace, and what it cannot.
Murad Ali Khan9 min read
news · Earth Evidence status: Peer reviewed (accelerated preview) · Data compilation plus modelling
Across 32 kimberlites, most diamond-rich pipes held olivine with over 40 ppm water. A new study ties this to faster-rising magma, but the exceptions matter.
A 1.7-second gamma-ray flash and a 51-second burst, 4 minutes apart from one spot, test as merger and collapsar types. What GRB 160425A shows, and its limits.
A 500,000-year Indian Ocean dust record dates ten Green Arabia wet phases and brief ice-age rains, and models about 11 times more hominins in green times.
Murad Ali Khan9 min read
news · Astronomy Evidence status: Peer reviewed · Observational study
Keck spectra show two faint star-forming galaxies near a near-pristine gas cloud from 2 billion years after the Big Bang. The link is inferred, not proven.