In mid-May, a giant wall of dust paraded across parts of the U.S. Midwest, and, thanks to the National Oceanic and ...

"The first time I spotted it, I thought at first it may have been a rare form of blue aurora but then realised it was moving ...

Sen. Ted Cruz's newly unveiled legislative directives for Senate Republicans’ budget reconciliation bill would dedicate ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

The Deuteronilus Cavus crater has been shaped by water, wind, ice and volcanic erosion over billions of years, showcasing ...

You could swim through the deepest voids and encounter a single hydrogen atom in an entire football field's worth of space.