For most people, completing the "Explorers Grand Slam," which requires climbing the Seven Summits — the highest mountain in each of the seven continents — and reaching the North...

While rain on Earth is associated with water, precipitation on the Sun comes as giant clumps of plasma, or supercharged gas, which drizzle down from the star's atmosphere on to ...

Found all the way from New England to West Texas and northern Mexico, copperhead snakes, which get their name from their reddish-brown heads, are the most commonly seen snakes i...