JWST spectra of interstellar object 3I/ATLAS reveal a methane D/H ratio of (3.18 ± 0.30)%, the highest measured in any...

A newly identified seventeenth-century manuscript describes a four-lens terrestrial telescope attributed to Galileo, potentially pushing back the documented origins of...

A lightweight neural network classifies seven types of radio interference at a small urban telescope array with 95.37% accuracy and...

Astronomers have directly extended the universal rotation curve of spiral galaxies to twice the optical radius using 105 high-quality HI...

A new Cambridge-led modelling study finds comets would strike Earth too fast and too steeply for fragile prebiotic molecules like...

Researchers report a global ionospheric electron content rise beginning about 45 days before magnitude 8 or larger earthquakes, reaching 7.1...

Solar energetic particle events, the bursts of high-speed protons and ions hurled outward by solar eruptions, vary enormously from one...

A new chaos-diagnostic framework shows that suppressed quantum chaos at the transition state enhances proton tunneling in reactions relevant to...

A new theoretical study shows that fourth-order oblateness shifts the out-of-plane equilibrium points of the photogravitational elliptic restricted three-body problem...

A new global thermophysical model maps Mercury's extreme diurnal temperature cycle, from 720 K hot poles to frigid nights, to...