As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale ...

A transiting exoplanet has revealed a huge "spot" near the pole of its tiny M-dwarf parent star. The spot has been around at least 7 years and occupies 7% of the sun's surface.

An international crew is readying for Thursday's planned launch of a NASA mission to the International Space Station after ...

Scientists are using satellite data to track fractures in Antarctica’s Thwaites Glacier - before its collapse triggers major ...