Issues

The first‐ever in situ measurements of Jupiter's atmosphere reveal conditions to be dry and windy; but is this true globally or just the result of local weather?

Almost four centuries after Galileo's telescope revealed moons orbiting Jupiter, those same moons are revealing their secrets to the Galileo spacecraft‐starting with Io's differentiated structure and magnetic properties.

The quantization of ballistic electron transport through a constriction demonstrates that “conduction is transmission.”

Three big new detectors are addressing: the puzzle of the persistent solar‐neutrino deficit. Is it the Sun, or the neutrino, that's behaving so strangely? We may soon know for certain.

If we are to overcome the major obstacles to science education for all, it will require the dedicated efforts of the entire science community.