The latest solar flare follows an M-class one, the second-highest on the scale, that occurred days earlier on June 15. It ...

Unsettled geomagnetic activity could bring northern lights to parts of the U.S. tonight (June 19–20). A coronal mass ejection ...

Psychological testing of more than 144,000 Americans revealed where in the U.S. people have the most dark personality traits.

A federal judge on Thursday blocked President Donald Trump's administration from forcing 20 Democratic-led states to ...

All 50 states as well as Washington, D.C., and four U.S. territories have agreed to sign a $7.4 billion settlement with the ...