In one of the most exciting developments in astronomy in the 21st century, NASA is launching the James Webb Space Telescope (JWST) today–and Northern Arizona University astronomers, planetary ...

The sun unleashed a powerful X-class solar flare on Friday (Feb. 9), peaking at 8:10 a.m. (1310 GMT) and triggering shortwave radio blackouts across South America, Africa and the Southern Atlantic.

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

The solar system is embedded within the expanding solar atmosphere, i.e., the solar wind, a tenuous plasma, consisting mostly of protons and electrons, continuously emitted by the Sun. Each body that ...