Mr. V felt tightness across his chest. His deepest breaths felt shallow. He sought help at an emergency department, where a resident physician found several worrying signs, including swelling of his hands and legs as well as heart enlargement on a chest X-ray.

Everything seemed to point to one diagnosis: heart failure, where the heart...Read more

When Belgian American particle physicist Francis Halzen was awarded the 2026 Nobel Prize in physics “for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin,” it was a reminder that for more than a century, scientists have treated Antarctica’s environments as ...Read more

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

How much rain can a hurricane make, and how much do big versus small hurricanes make? – Naarah, age 8, Pittsburgh

Hurricanes can produce enormous amounts of rain, adding up...Read more

A wave of anti-transgender legislation has appeared in statehouses across the country over the past few years. Now, transgender issues are a recurring topic on the 2026 midterm campaign trail.

As a scholar of LGBTQ+ politics and history, I’ve noticed surprising trends in how Democrats in key states like Texas and Ohio talk about ...Read more

More than 119 million Brazilians voted on Oct. 4, 2026, in the national elections to select the country’s next president and the governors of all 27 states, among other government officials.

That’s nearly 75% of the approximately 159 million eligible voters. Unlike in the U.S., voting is mandatory in Brazil for all citizens ...Read more

LOS ANGELES — Every Tuesday, Naman Shah sees tuberculosis patients at a small public clinic in Los Angeles’ San Fernando Valley. Shah, a physician and epidemiologist at the Los Angeles County Department of Public Health, pores over images of battered lungs, listens to labored breathing, and checks medications.

It’s part of an initiative ...Read more

At St. Paul City Hall, October is shaping up to be the autumn of our discontent, to quote the bard, with the “our” in question being the mayor’s office, the police chief, the city council and more. Navigating the twists and turns of what’s become a three-way legal and political dispute can be dizzying.

Here’s a primer to help.

What ...Read more

India is bracing for a third straight day of tensions in its capital, with opposition parties on Monday planning a march to the Supreme Court and a youth-led movement pressing ahead with protests over a contentious revision of voter rolls.

Following a weekend of mass detentions and a heavy security presence in Delhi, opposition parties plan to ...Read more

Remnants of Tropical Storm Rachel hit San Diego County harder than expected before dawn Sunday, sending surf crashing into beachside cottages in Oceanside, flooding parts of Highway 101 near Carlsbad, and triggering several water rescues.

The quick-moving system also knocked out power to more than 330 customers in the Otay Mesa-San Ysidro area,...Read more

North Korea fired a suspected ballistic missile off its east coast Monday, days after warning Seoul of retaliation if its territory were violated.

The launch comes after Seoul stepped up a demining operation along the two countries’ heavily fortified border after three South Korean soldiers were injured in a landmine blast.

If confirmed, ...Read more

Mayor Mamdani on Sunday compared videos of Immigration and Customs Enforcement agents shooting a man in a car with his 5-year-old boy in the backseat last week to recordings of mass shooter killings in a scathing rebuke of the controversial federal officers he wants out of New York City.

“It feels as if you’re almost looking at a mass ...Read more

With the midterm elections just over three weeks away, the fight for control of the U.S. Senate is intensifying in battleground states, as Democrats push into red regions and Republicans pour money into key contests.

Campaigns are entering a crucial stretch for persuading the independent voters who will probably determine outcomes in swing ...Read more

Saudi Arabia’s main airport came under renewed attack from Houthi rebels, a day after a strike on the facility killed 12 people and heaped pressure on the Middle East’s biggest economy as it prepares to host major events that seek to boost foreign investment.

An unidentified projectile hit a passenger terminal at King Khalid International ...Read more

President Donald Trump said Sunday that Russia and Ukraine had agreed to an “energy ceasefire” effective immediately.

“Both parties have agreed. Do not break it!” he wrote on his Truth Social platform. He didn’t provide further details.

The day before, Trump had again demanded that Ukrainian President Volodymyr Zelenskyy halt attacks...Read more

President Donald Trump said Sunday that Russia and Ukraine had agreed to an “energy ceasefire” effective immediately.

“Both parties have agreed. Do not break it!” he wrote on his Truth Social platform. He didn’t provide further details.

The day before, Trump had again demanded that Ukrainian President Volodymyr Zelenskyy halt attacks...Read more