Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...

This story appears in the January 2017 issue of National Geographic magazine. Shadrack Nyongesa’s appointment with the knife was set for shortly after dawn. Since the previous morning, the ...

Dec. 2, 2025 As the last Ice Age waned and the Holocene dawned, deep-ocean circulation around Antarctica underwent dramatic shifts that helped release long-stored carbon back into the atmosphere. Deep ...