It’s a simple bargain: The rich get huge tax breaks by donating art, property and company shares to benefit the public. But some donors collect millions while offering little or no public access.

Secret IRS records reveal dozens of highly fortuitous biotech and health care trades. One executive bought shares in a corporate partner just before a sale, and an investor traded options right before a company’s revenues took off, netting millions.

What’s the only thing better than having your own Gulfstream jet? Why, getting to claim millions in tax deductions for it. All you have to do is make a case you’re using it for business, which turns out to be surprisingly easy.

Never-before-seen IRS records show that CEOs are sometimes making multimillion-dollar bets on the stocks of direct competitors and partners — and doing so with exquisite timing.

ProPublica has obtained a vast cache of IRS information showing how billionaires like Jeff Bezos, Elon Musk and Warren Buffett pay little in income tax compared to their massive wealth — sometimes, even nothing.

Twenty families in the Imperial Valley received a whopping 386.5 billion gallons of the river’s water last year — more than three Western states. Century-old water rights guarantee that supply.

Tens of millions of people — and millions of acres of farmland — rely on the Colorado River’s water. But as its supply shrinks, these farmers get more water from the river than entire states.

You likely have the right to access records that explain why your insurer denied your claim or prior authorization request. Use ProPublica’s free tool to generate a letter requesting your claim file from your health insurance company.

Federal regulations require insurers to promptly hand over records to patients facing claim denials. Some insurers only turned over their files after ProPublica reached out.

State audits point to troubling conditions in juvenile detention centers, but no agency has strong enough oversight to bring about change.

Blue Cross and Blue Shield denied payment for the proton therapy Robert “Skeeter” Salim’s doctor ordered to fight his throat cancer. But he was no ordinary patient. He was a celebrated litigator. And he was ready to fight.

Two teens aged out of New Mexico’s child welfare system last year. This photo essay shows how different their lives have become.

The inaction on regulating contaminants — including those that likely cause cancer, reproductive or developmental issues — found in the water of millions of Americans illustrates shortcomings in the U.S. response to environmental threats, say experts.