Two brothers, both mechanical engineers, are climbing many of the world’s tall peaks to prove they have been measured incorrectly.
By Sarah Scoles
Kyle Obermann
As many as 25,000 free-ranging dogs roam the cold, high-altitude desert of Ladakh, India. That’s a problem for wildlife and people alike.
By Kyle Obermann and Emily Anthes
Joel Kowsky/NASA
In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth traveling for.
By Katrina Miller and Michael Roston
Sandra Dionisi
Gynecologists long viewed bacterial vaginosis as solely a women’s issue — until a study that treated their male partners, too, proved otherwise.
By Rachel E. Gross
Let us know how we’re doing at sciencenewsletter@nytimes.com.
Andrew Testa for The New York Times
the global profile
Brian Cox once toured as a keyboardist in major rock and pop bands. Now he’s a particle physicist on a new world tour with a dazzling show he designed in an era of science disinformation and denial.
By Stefano Montali
Diana Cervantes for The New York Times
The Sacramento Mountains checkerspot butterfly is critically endangered, with the last known larva living in a lab in New Mexico.
By Catrin Einhorn and Diana Cervantes
Mohd Faizal
Trilobites
Found in a forest outside Kuala Lumpur, Malaysia, the plant steals nutrients from subterranean fungi.
By Douglas Main
The New York Times
Hard Fork
A tech C.E.O. explains why A.I. probably won’t cure diseases anytime soon. Hint: You still need humans.
39 MIN LISTEN
Times journalists are speaking with scientists whose research has ended as a result of policy changes by the Trump administration.
Daniel Brenner for The New York Times
Lost Science
Marina Vance had an E.P.A. grant to help homeowners counter the impact of wildfire smoke, until the agency deemed the research “no longer consistent” with its priorities.
By Interview by Carl Zimmer
Dado Galdieri for The New York Times
Ana Vaz monitored crucial fish stocks in the Southeast and the Gulf of Mexico until she lost her job at NOAA.
By Austyn Gaffney
Cheriss May for The New York Times
Jenny Carlson Donnelly traveled to malaria-affected countries to test mosquitoes and save lives. Then she lost her job at U.S.A.I.D.
By Alexa Robles-Gil
Moriah Ratner for The New York Times
Yuri Ralchenko led one of the oldest teams at the National Institute of Standards and Technology. The fate of some experiments hangs in the air.
By Katrina Miller
Ian Strachan/EYOS Expeditions, via Agence France-Presse — Getty Images
The continent’s ice is melting and raising sea levels worldwide. Our journalists will be sending regular dispatches as they head there with scientists trying to gauge the dangers.
By Raymond Zhong and Mira Rojanasakul
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Chloë Ellingson for The New York Times
Ms. Brosseau says mental illness has made her life unbearable. She wants a medically assisted death. Even her psychiatrists are split over whether she should have one.
By Stephanie Nolen and Chloë Ellingson
Arlette Bashizi for The New York Times
Global Health
When the Trump administration slashed foreign aid, it gutted a program that had reduced malaria deaths world wide. In northern Cameroon, health workers tried to protect children in one last rainy season.
By Stephanie Nolen and Arlette Bashizi
Innerspace Imaging/Science Source
Recent research highlights that for fertility and aging, the egg may be the leading lady, but she needs her supporting cast.
By Kristen V. Brown
Turn your walk into a better workout, build strength without weights and more exercise advice for the year ahead.
By Erik Vance
The National Kidney Registry has matched thousands of kidney donors with recipients. It has also paid millions of dollars to a company owned by its founder.
By Danielle Ivory, Grace Ashford and Robert Gebeloff