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Is There Anything Google’s Fruit Fly Brain Can’t Do?

MICHAEL LEVENSON

Models of the insect’s nervous system have been trained to solve a Rubik’s Cube, play video games and even parallel park a car.

FEMA Could Still Lose More Jobs Despite Court Ruling

SCOTT DANCE

A plan to halve the agency’s sprawling work force was illegal, a judge ruled. But the court is not blocking other FEMA cuts.

Whether Chemistry or the Cosmos, Always Looking at the Bigger Picture

VIVIAN EWING

The Times’s Science section is introducing new columns, projects and more as part of its online relaunch.

Exoplanets Offer Clues to What Lies Beyond Our Solar System

NATALIE WOLCHOVER

Thousands of planets have been discovered beyond our solar system, offering clues to where life might thrive and whether Earth is truly unique.

The hole in the ozone layer is healing, but extreme weather may be slowing progress down

Climate change, driven by humans, is making extreme weather more commonplace

Vox’s Unexplainable explores Scientific American’s biggest unanswered science questions

Rachel Feltman joins Vox's Unexplainable to discuss the enduring mysteries that continue to challenge science

Anthropic’s AI steals mathematicians’ record for most complicated curve

A search for the most complex elliptic curves has taken mathematicians years. Claude beat the record in days

Blood test shows promise in detecting pancreatic cancer early—a ‘holy grail’ for the field

Pancreatic cancer is typically caught in its latest stages, when it is hardest to treat

Scientists Fuse Human Neurons Into the Brains of Mice

CARL ZIMMER AND CAROLYN Y. JOHNSON

The studies may help reveal the causes of brain disease in people and point the way to treatments. But researchers already are calling for new ethical guidelines.

Microscopic Videos That Show the Invisible Wonders Around Us

STELLA RAINE CHU

The winners of this year’s Nikon Small World in Motion competition showcase the wiggly, feathery, undulating beauty of invisible life.

Japan just hit a new longevity milestone

More than 100,000 people in the country are over 100 years old

Trump’s surgeon general nominee Nicole Saphier praises MMR and hepatitis B vaccines in Senate hearing

Both the president and Secretary of Health and Human Services Robert F. Kennedy, Jr., have made numerous false claims about the vaccines' efficacy and safety

T. rex was as warm-blooded as humans, new study finds

The dinosaurs were once considered reptilian, but the new results suggest we may need to rethink their evolution

T. Rex, King of the Dinosaurs, Had a Body Temperature of 97 Degrees

CAROLYN Y. JOHNSON

Hotter than a crocodile, cooler than a chicken, T. Rex was definitely warm-blooded, according to a new study.

Human-Caused Warming Played ‘Very Strong’ Role in Himalayan Floods, Report Finds

RAYMOND ZHONG

Rising temperatures contributed to the disaster by destabilizing the permafrost and ice around the collapsed rock, scientists concluded.