A profile of Robinhood CEO Vlad Tenev, whose personal fortune has surged 6x over the past year to $6.1B, as the company leans into tokenized stock derivatives (Nina Bambysheva/Forbes)

Nina Bambysheva / Forbes: A profile of Robinhood CEO Vlad Tenev, whose personal fortune has surged 6x over the past year to $6.1B, as the company leans into tokenized stock derivatives  —  First Vlad Tenev blew up the brokerage industry’s fee model.  Now, thanks in part to his full-on crypto […]

Aug. 2, 1133: A total eclipse is misremembered

Visible in Scotland, the total solar eclipse of Aug. 2, 1133, featured nearly 4½ minutes of totality. This eclipse provides just one of many historical examples of people wrongly associating a celestial spectacle with an earthly event: In his Historia Novella, written between 1140 and 1143, English historian William of […]

Helio Highlights: July 2025

As NASA and its partners prepare to send astronauts back to the Moon, we must address the potential dangers caused by space weather, which can damage spacecraft and cause physical harm to unprotected astronauts in space.