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Aaron Epstein, general partner at Y Combinator.

The Return Of The Repeat Founder: Inside YC’s Growing Class Of Second-Timers

Startup accelerator Y Combinator has long had a reputation for spotting exceptional first-time founders before anyone else. Lately, a different kind of founder has been showing up in greater numbers: one who has already participated in the highly selective program at least once. To dig into this trend, Crunchbase News analyzed a dataset of repeat […]

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Exclusive: Emails reveal Palmer Luckey’s political fundraising as his company wins sole-source contracts

Co-founder of defense firm Anduril has donated $5.9m to Republicans and bundled more, while reaping billions in Pentagon contractsWealthy Republicans on the west coast received an emailed invitation in July to an upcoming fundraiser titled “Keep the Senate”. The email, obtained by the Guardian, described the event as a “private roundtable and dinner with the

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AI isn’t enough to protect social media communities from AI

Sometimes you have to fight fire with fire. But when it comes to AI slop and hateful content threatening the safety and value of social media platforms, adding more fire—in this case, more AI—can make the problem worse. At its best, social media can be a haven for people who want to share their experiences

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Your AI Agent Isn’t a Static Artifact. It’s Growing Up.

In July 2025, an AI coding agent on Replit deleted a production database belonging to SaaStr founder Jason Lemkin. It did this during an explicit code freeze. Lemkin had told the agent, in capital letters, not to change anything. The agent ran destructive commands anyway, wiped records on more than a thousand executives and companies,

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California’s 2020 drought may have permanently damaged a key underground aquifer

California’s ongoing drought has inflicted lasting harm on its underground water reserves. The over-extraction of groundwater has resulted in aquifer compaction, diminishing the earth’s capacity to store water. In certain areas of Sacramento Valley, land subsidence has exceeded half a meter. This irreversible damage casts a shadow over future agricultural water security, serving as a

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