Indian astronomers have investigated an ultraluminous X-ray pulsar in the galaxy NGC 4631, designated X-8. The new study, described in a paper published Feb. 16 on the arXiv preprint server, provides ...

For more than half a billion years, a giant magnetic anomaly buried in Earth’s ancient rocks has puzzled scientists. The strange data once appeared to defy the rules of geomagnetism, hinting that our ...

The Moon’s magnetic record encapsulates a complex interplay between internal dynamo processes, impact-induced magnetisation, and the persistent influence of the solar wind. Lunar magnetism, as ...