Sun unleashes monster X7.1 flare that could supercharge Earth auroras (video)
‘Ring of fire’ annular solar eclipse will be visible on Wednesday for some parts of the world. Here’s how and when to see it
Helene rainfall boosted by human-driven climate change, studies find
Record heat makes for a sweltering start to October in the West
NASA switches off instrument on Voyager 2 spacecraft to save power
Medallion containing original mold from discovery of penicillin goes up for auction
Russian rescuers save four stranded killer whales off Kamchatka, says SHOT news outlet
Push to map Great Lakes bottom gains momentum amid promises effort will help fishing and shipping
