In "Huge Numbers," mathematician Richard Elwes spotlights some of the largest numbers humans have ever contemplated.

Undark is free, but producing careful, accurate, non-ideological journalism is expensive. If you appreciate the work that Undark does, please consider making a donation by clicking the button below.

Homesick for a World Unknown,” by Miriam Horn, is an intimate portrait of renowned wildlife biologist George Schaller.

Thanks for your interest in contributing to Undark. Please take a moment to read below about the type of material we publish. Undark runs a mix of reported features, book reviews and excerpts, photo ...

As cases mount, industry pushback is delaying federal rules that would reduce miners’ exposure to deadly silica dust.

Some analysts think the markets could out-compete polls in newsrooms and more, but the approaches are vastly different.

In “The Return of the Oystercatcher,” Scott Weidensaul examines bird conservation successes as some populations rebound.

Prior to 2024, some Medicare recipients, including those on high-cost cancer drugs, paid more than $10,000 for their medicine. Patients taking expensive medicines can now save thousands of dollars.

Title X funding appears to be shifting away from contraception. Experts say that's unlikely to change fertility rates.

Finding ways to ease the suffering of beached whales has been a challenge. Whale experts may have found an answer.