phys.org

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy spectrum—which shows a sharp decrease

Last time I wrote about new data that overturns the standard cosmological model. Before anyone starts dusting off their fringe cosmological models, we should note what this new study doesn’t

A joint research team from the Institute of Geochemistry of the Chinese Academy of Sciences (IGCAS) and Shandong University has for the first time identified crystalline hematite (α-Fe2O3) and maghemite

Galaxy clusters are the largest gravitationally bound structures in the universe, with each containing hundreds or even thousands of galaxies. When two of these giants collide, they send powerful shock

Getting time on the James Webb Space Telescope (JWST) is the dream of many astronomers. The most powerful space telescope currently in our arsenal, the JWST has been in operation

Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked to predict its trajectory. ESA has now improved the comet’s predicted location

Close companions can influence stellar evolution in many ways. While some companions can be detected around young stellar objects, direct observational evidence of companions around asymptotic giant branch (AGB) stars

NASA astronaut Jonny Kim took this photo on July 23, 2025, as the International Space Station orbited 259 miles above a cloudy Pacific Ocean southwest of Mexico. Visible in the

Three Chinese astronauts returned from their nation’s space station Friday after more than a week’s delay because the return capsule they had planned to use was damaged, likely from being

Early one February morning in 2025, Adam Borucki discovered something extraordinary behind his warehouse in Poland: a charred metal tank, roughly 1.5 meters across. It had crashed from space during