Telescope Array detects secondhighestenergy cosmic ray ever Physorg

The crew of a NASA mission to Mars emerged from their craft after a yearlong voyage that never left Earth.

Think you know everything about a material? Try giving it a twist—literally. That's the main idea of an emerging field in condensed matter physics called "twistronics," which has researchers drastically…

An international team of space scientists has found evidence that hydrogen peroxide on Ganymede, Jupiter's largest moon, exists only on its higher latitudes. For their research, reported in the journal…