First All-Female Spacewalk Is Back On, NASA Says

Science|First All-Female Spacewalk Is Back On, NASA SaysThe mission was canceled in March after the agency said it did not have two properly fitted spacesuits readily available.21 — the first to be conducted entirely by women, NASA said. Read more »

Scientists on Arctic Expedition Choose Ice Floe That’ll Be Home for a Year

CreditEsther Horvath for The New York TimesThe $150 million expedition, the Multidisciplinary Drifting Observatory for the Study of Arctic Climate, or Mosaic, is led by the Wegener institute.Sea ice coverage of the Arctic Ocean has shrunk and the ice has become thinner over recent decades. Read more »

Australia Just Had a Bad Flu Season. That May Be a Warning for the U.S.

Global healthIn 2017, a terrible flu season in Australia presaged an American outbreak in which 79,000 died.4, 2019Australia had an unusually early and fairly severe flu season this year. Read more »

Trump, Facing Farmers’ Discontent, Plans Help for Ethanol

The move is widely viewed as an effort to relieve pressure on farmers at a time when the Trump administration is escalating its trade war with China and Europe.But, he said, farmers are critical to the president’s re-election effort, and their anger is forcing Mr. Read more »

Scientists Solve a Puzzle: What’s Really in a Fatberg

ImagePart of a fatberg in the town of Sidmouth, England, in February.But after weeks analyzing Sidmouth’s fatberg, the scientists realized they had nothing to fear. Read more »

Twin Births in the U.S. Are Dropping, and Experts Have a Theory

Health|Twin Births in the U.Are Dropping, and Experts Have a TheoryResearchers believe that the decline may be connected to advances in embryo transfers during in vitro fertilization. Read more »

What Rolls Like an Armadillo but Lives in the Sea?

Science|What Rolls Like an Armadillo but Lives in the Sea?3, 2019Why did the chiton roll into a ball? Read more »

Brain Stimulation Shows Promise in Treating Severe Depression

A new study has found encouraging results against severe depression.ETFor more than a decade, doctors have been using brain-stimulating implants to treat severe depression in people who do not benefit from medication, talk therapy or electroshock sessions. Read more »

Bipartisan Report Says Trump’s Abuse Has Pushed Federal Science to a ‘Crisis’

WASHINGTON — In a single month in 2017, the Trump administration’s Environmental Protection Agency blocked scientists from speaking at a climate change conference, its Interior Department forwarded a policy letter to U.That October was fairly typical for the Trump administration, according to a new report out of New York University, led by Preet Bharara, a former United States attorney, and Christine Todd Whitman, who led the E. Read more »

New York Says End of AIDS Epidemic Is Near

was a death sentence, when thousands of New Yorkers, primarily gay men, succumbed to AIDS-related illnesses, and the end of the epidemic seemed both medically and mentally impossible.Cuomo declared that New York is on track to meet its goal to end the AIDS epidemic in the state by 2020. Read more »

In the Pancreas, Common Fungi May Drive Cancer

In mice and human patients with pancreatic cancer, the fungi proliferate 3,000-fold compared to healthy tissue — and one fungus in particular may make pancreatic tumors grow bigger.“This is an enormous opportunity for intervention and prevention, which is something we don’t really have for pancreatic cancer,” said Dr. Read more »

New Airbnb Excursions to Focus on Animals

ImageActivities offered on Airbnb Animal Experiences include a chance to walk with mini ponies in Britain.The new animal division will have an ethical focus. Read more »

Lung Damage From Vaping Resembles Chemical Burns, Report Says

3, 2019The lung damage in some people who have become ill after vaping nicotine or marijuana products resembles a chemical burn, doctors from the Mayo Clinic reported on Wednesday.“All 17 of our cases show a pattern of injury in the lung that looks like a toxic chemical exposure, a toxic chemical fume exposure, or a chemical burn injury,” said Dr. Read more »

Rick Perry Is Said to Be Resigning as Energy Secretary by Year’s End

Two people familiar with his plans, who asked not to be named because they were not authorized to discuss it publicly, said Mr.“I really think this might be the end of the road for him in terms of holding political positions,” said James W. Read more »

Britain, Struggling With Brexit, Eyes Another Retreat. This One’s From Fossil Fuels.

3, 2019LONDON — In the shadow of a noisy, turbulent Brexit, another epic transformation is underway in Britain.A leading industrial power that built itself on coal and colonialism, Britain is now trying to pivot away from the fossil fuels that powered the industrial age. Read more »

Why Lifesaving Drugs May Be Missing on Your Next Flight

Varshavski located a vial of epinephrine in the plane’s emergency medical kit, adjusted the dose, and then injected the passenger in the thigh.A. Read more »

A ‘Chilling Message’: Trump Critics See a Deeper Agenda in California Feud

The fight over California’s fuel-economy standards fits into that last category, but legal experts said the Trump administration’s actions are new.“It looks like a search-and-destroy, and it sends a chilling message to other states,” said Barry Rabe, a professor of public policy at the University of Michigan. Read more »

Up Close and Personal: New Essays From Leslie Jamison

NonfictionImageLeslie Jamison — who burst onto the scene in 2014 with “The Empathy Exams” — has a new book of essays, “Make It Scream, Make It Burn.Perhaps no other writer of her generation has wrestled with this conundrum more than Leslie Jamison. Read more »

These Butterflies Evolved to Eat Poison. How Could That Have Happened?

The butterflies thrive on it, even storing milkweed toxins in their bodies as a defense against hungry birds.Agatha Christie wrote a murder mystery featuring foxglove, which produces cardiac glycosides. Read more »

An Astronaut Who Built Paths to Space for Other Women

Janet Kavandi, who recently retired from a senior NASA post, went to space three times and added fairness to the astronaut selection process.It isn’t the only thing the former astronaut did that changed the work of her successors in space. Read more »