A NASA spacecraft will make another close pass of the sun
Ocean dumping – or climate solution? An industry bets on the ocean to capture carbon
Democrats' new internet strategy tops trending charts but also draws mockery
Swarms of midges are bugging a Tuscan beach town, which wants an emergency declared to help
Indonesia's Mount Lewotobi Laki Laki volcano erupts, prompting alert level to be raised
Hawaii's Kilauea volcano resumes dazzling show with lava fountains
Venus passes between the Earth and sun this weekend — but don't try to look for it
Encrypted messaging apps promise privacy. Government transparency is often the price
