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How To Bring a Bird’s Song Back from the Edge of Extinction
In a new study, wild regent honeyeaters became vocal tutors, teaching their disappearing song to birds in a captive breeding program.
Judge Strikes Down RFK Jr.’s Vaccine Policies in Blow to Trump’s Health Agenda
Ruling on a lawsuit brought by several prominent medical organizations, a district court said the federal government had not based its decisions on science in limiting Covid shots and revising the childhood immunization schedule.
Administration to Convene ‘God Squad’ With Power to Override Environmental Law
The meeting, planned for this month, will focus on oil and gas drilling in the Gulf of Mexico.
No H.I.V. Aid Without More Access to Minerals: U.S. Ponders ‘Sticks’ Against Zambia
A draft State Department memo outlines ways the Trump administration may ratchet up pressure on the African country by ending health support “on a massive scale.”
What Displays Get Scrapped at America’s Parks? It Looks Like Anyone’s Guess.
President Trump ordered officials to remove information deemed disparaging to the United States. A review of government documents shows little guidance and striking inconsistencies.
Spaceflight Started 100 Years Ago in a Massachusetts Cabbage Patch
Before humanity sent satellites, telescopes, humans and weapons into space, Robert Goddard experimented with the first liquid-fueled rocket on his aunt’s farm.
In Ski Towns, a Bad Snow Year Is Worsening Wildfire Fears
A record-breaking snow drought has residents worried about much more than slushy slopes.
Iceland’s Chief ‘Lava Cooler’ Is Bracing for the Next Volcanic Eruption
Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites. Some called it crazy, but it worked.
‘How Low Can You Go?’ The Shifting Guidelines for Blood Pressure Control
The number doctors use to demarcate hypertension keeps going down, a trend applauded by many experts, who point to studies linking high blood pressure and dementia.
How My Trip to Antarctica Unlocked a Family Discovery
An eight-week voyage to the bottom of the Earth helped the photojournalist Chang W. Lee better understand his late father.
Earlier Cholesterol Testing Can Reduce Heart Attacks and Strokes, New Guideline Says
Eleven medical organizations advised changes to preventive cardiac care that it says could markedly reduce heart attacks and strokes.
E.P.A. Moves to Weaken Limits on Ethylene Oxide
The gas, ethylene oxide, plays a crucial role in sterilizing medical devices. But long-term exposure is linked to several types of cancer and other ailments.
Trump Administration Readies Plans to Dismantle NCAR Research Lab
Proposals include transferring a supercomputer to the University of Wyoming and shifting a space weather lab to a private company.
A New Lifeline Helps Inmates Transition to Life Out of Prison
Medicaid is now paying for health care in jails and prisons, helping smooth inmates’ return to the community. Corrections and law enforcement officials say they’re all for it.
Palisades Fire Recovery Tests L.A.’s Ability to Invest in Resilience
Palisades fire victims want to raise money for disaster hardening. Their idea could be a model — if it can get past L.A.’s most vexing housing problems.
His Harvard Lab Was Thriving. Then Came the Cuts.
Will Mair, who studies aging, lost almost all his research funds when the White House cracked down on Harvard. He was wholly unprepared for the upheaval that followed.
NASA Says Artemis II Moon Launch Is On Track for April 1
After postponing launch opportunities in February and March, the agency determined that four astronauts could proceed toward the first crewed lunar journey in more than 50 years.
Flowers Are Blooming in California’s Death Valley
Visitors are flocking to see a bonanza of wildflowers that has transformed this barren desert.
Trump Administration Sues California Over Tailpipe Emissions Limits
A lawsuit argues that the state’s regulations would illegally force a rapid transition to electric vehicles.
Before Landing on the Moon, a Collision Close Call Haunted a Space Mission
The experience of the private Blue Ghost mission in lunar orbit a year ago highlights a growing number of “red alert” incidents above Earth’s neighbor.
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