Warm temperatures and extremely low snowfall threaten water resources for the year.
By Jim Robbins
Mark Abramson for The New York Times
Experts are using high-res scanners and 3-D printers to illuminate ancient ailments and injuries.
By Emily Baumgaertner Nunn
Volker Steger/Science Source
AlphaGenome is a leap forward in the ability to study the human blueprint. But the fine workings of our DNA are still largely a mystery.
By Carl Zimmer
Headway
Decades after a landmark study showed the lasting health effects of such trauma, researchers are finding ways to guard against enduring harm.
By Rochelle Sharpe and Gabriella Angotti-Jones
Let us know how we’re doing at sciencenewsletter@nytimes.com.
Callaghan O'Hare for The New York Times
The deal further intermingles Mr. Musk’s companies and creates the most valuable private company on earth.
By Ryan Mac, Kate Conger, Maureen Farrell and Rob Copeland
Blue Origin
The New Shepard rocket from Blue Origin, which brought 92 people on trips to the edge of space, will cease flying for at least two years as the company prioritizes NASA contracts.
By Kenneth Chang
Nicholas Thompson
The finding, along with the discovery of a 500,000-year-old hammer made of bone, indicates that our human ancestors were making tools even earlier than archaeologists thought.
By Franz Lidz
Andy Fraser
Trilobites
A newly discovered raptor had a knobby bump on its head, suggesting that, like some larger dinosaurs, it engaged in competitive head bashing.
By Jack Tamisiea
Cuttlefish attract prospective sexual partners by creating a pattern on their skin, based on the orientation of light waves.
By Kate Golembiewski
Seals favored by Svalbard bears are becoming easier to hunt as ice declines, a study found. But researchers say the situation may be temporary.
By Eric Niiler
A $20 million agency project will aid companies prospecting the sea for critical minerals.
By Eric Niiler and Sachi Kitajima Mulkey
As a Navy mathematician in the 1950s and beyond, she played an unheralded but foundational role in making possible the global satellite-based mapping system.
By Michael S. Rosenwald
Jenine McCutcheon/University of Waterloo
New studies show how algae grows on ice and snow, creating “dark zones” that exacerbate melting in the consequential region.
By Sachi Kitajima Mulkey
Nathan Howard/Reuters
The researchers produced a report that was central in a Trump administration effort to stop regulating climate pollution.
By Lisa Friedman
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Alamy
A decades-long study suggested that close relationships with family members during teenage years could lead to a rich network of friendships in adulthood.
Jason Grow
A new study suggests that those with long-lived families probably have the best prospects of making it to a very old age.
By Gina Kolata
Haruka Sakaguchi for The New York Times
Spurred by her past struggles with dissociative identity disorder, she has devoted her professional life to studying it.
By Maggie Jones
Illustrations by Zach Hackman
Ostarine held the promise of profound medical treatments. Something unexpected happened on the way to F.D.A. approval.
By Jason Stallman
Health Secretary Robert F. Kennedy Jr. said addiction is a “spiritual disease” that calls out for the involvement of religious organizations.
By Ellen Barry