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Blacktail Deer Creek in Yellowstone National Park, seen here in a 2019 photo from the ecological study known as NEON, is one site where researchers have bubbled sulfur hexafluoride into the water.

Why scientists have pumped a potent greenhouse gas into streams on public lands

A 30-year, nationwide study of ecological changes — including the effects of climate warming — has been releasing a powerful greenhouse gas, and critics want it to stop.

A selection of the 1000 people who have been charged for the Jan. 6 riot at the U.S. Capitol in 2021.

1,000 people have been charged for the Capitol riot. Here's where their cases stand

More than 1,000 people have now been charged for the U.S. Capitol riot on Jan. 6, 2021. NPR has tracked every case from arrest to sentencing. Here's what is happening to those charged.

St. Lucie Railroad Drawbridge Work Completed Ahead of Schedule; Re-Openings for Marine Traffic Resume

Work was completed at 6 pm Sunday, 12 hours early

Medical students, faculty and volunteers take blood samples during a coronavirus antibody study in Mountain View, Calif., on April 3. Santa Clara County's medical examiner says a person who died on Feb. 6 has posthumously tested positive for COVID-19.

1st Known U.S. COVID-19 Death Was Weeks Earlier Than Previously Thought

The first U.S. COVID-19 death took place on Feb. 6, an autopsy shows. The person died at home in Santa Clara County, Calif., at a time when testing in the U.S. was tightly limited.

Pentagon To Send 1,000 More Troops To Aid Afghanistan

An additional 1,000 troops will be heading to Kabul to assist in evacuation efforts. This will boost the overall expected numbers to some 6,000 U.S. troops in Afghanistan.

Antibiotic resistance study offers good news for bacteria, alarming news for humans

A new World Health Organization study finds 1 in 6 infections worldwide are resistant to some antibiotics, highlighting a growing threat from drug-resistant bacteria.

It's unlikely that humans will achieve global warming goals. But all is not lost

A study in Nature suggests the amount of carbon that humans can still emit and still keep warming to 1.5 °C may be exhausted within the next 6 years.

An Afghan soldier stands at a mortar training range near Kandahar, Afghanistan. The Afghan forces are still receiving help from the U.S. as they battle the Taliban. This photo was taken by NPR's David Gilkey shortly before he was killed by the Taliban on June 5.

Afghanistan: A Tragic Return To A War With No End

The most critical question in Afghanistan today is whether the Afghan military can keep the country safe from the Taliban. An NPR team went looking for the answer, and two of the group were killed.

After Supreme Court Ruling On Affirmative Action, What's Next?

The Supreme Court issued its decision Monday in Fisher v. the University of Texas, which challenged the constitutionality of the use of affirmative action in college admissions. The court sent the case back to the lower court to apply "strict scrutiny" to the University's admissions policy.

News Brief: Antony Blinken, Election Disputes, Pandemic Cases Surge

President-elect Biden has reportedly choosen his secretary of state. President Trump has still not conceded the election. Plus, the U.S. recorded a million new COVID-19 cases in just six days.

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