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4,258 articles from TIME

Medicare Will Not Fully Cover Aduhelm, the Controversial—and Costly—Alzheimer’s Disease Drug

Medicare said Tuesday it will limit coverage of a $28,000-a-year Alzheimer’s drug whose benefits have been widely questioned, a major development in the nation’s tug-of-war over the fair value of new medicines that offer tantalizing possibilities but come with prohibitive prices. The initial determination from the Centers for Medicare and Medicaid Services means that patients taking...


MONDAY 10. JANUARY 2022


Surgeons Transplant Pig Heart Into Human Patient For the First Time Ever

In a medical first, doctors transplanted a pig heart into a patient in a last-ditch effort to save his life and a Maryland hospital said Monday that he’s doing well three days after the highly experimental surgery. While it’s too soon to know if the operation really will work, it marks a step in the decades-long quest to one day use animal organs for life-saving transplants. Doctors...


FRIDAY 7. JANUARY 2022


The James Webb Space Telescope’s Mission Is Unfolding As Expected

When it comes to superstitions, NASA and baseball see the world in different ways. It’s one of baseball’s unwritten rules that when a pitcher is throwing a no-hitter through, say, seven innings, you never, ever mention it out loud. To speak of it is to jinx it, and likelier than not, you’ll get clobbered in the eighth. NASA, clearly, takes a different approach. In the 13 days...


THURSDAY 6. JANUARY 2022


There’s a Way to End Energy Poverty—And It Has the Side Effect of Making Fossil Fuels Obsolete

You bring your feverish baby to the hospital in the middle of the night. The nurse asks you to go home to get a flashlight. When the flashlight batteries give out, she resorts to a flickering candle to guide the insertion of an IV needle, delivering malaria medicine, into your baby’s hand. Maybe you don’t have a baby. Maybe you travel 14 miles a day by public bus to buy fresh fish to...


WEDNESDAY 5. JANUARY 2022


NASA Boss Bill Nelson On a Space Race With China, the Future of the Space Station and More

It took Bill Nelson 35 years to go from low-Earth orbit to 300 E. St. in Washington, D.C. Low-Earth orbit is where Nelson, then a U.S. representative from Florida, spent six days as a payload specialist aboard the space shuttle Columbia, from Jan. 12 to Jan. 18, 1986. He returned to Earth and eventually made his way to the U.S. Senate, serving from 2001 to 2019, and spending much of his tenure...


TUESDAY 4. JANUARY 2022



MONDAY 3. JANUARY 2022


Inside the Project to Genetically Modify Rice to Emit Fewer Greenhouse Gases

A cup of tea in 2006 changed genetic engineering forever. Jill Banfield, a University of California at Berkeley ecosystem scientist and 1999 MacArthur Foundation fellow, had become curious in 2006 about mysterious repeating DNA sequences that were common in microbes that live in some of the planet’s most extreme environments, such as deep-sea heat vents, acid mines and geysers. She just...


WEDNESDAY 29. DECEMBER 2021


China Calls on U.S. to Protect Its Space Station After Near-Collision With SpaceX Satellites

(BEIJING) — China is calling on the United States to protect a Chinese space station and its three-member crew after Beijing complained that satellites launched by Elon Musk’s SpaceX nearly struck the station. A foreign ministry spokesman accused Washington on Tuesday of ignoring its treaty obligations to protect the safety of the Tiangong station’s three-member crew following...


SUNDAY 26. DECEMBER 2021



SATURDAY 25. DECEMBER 2021


The James Webb Space Telescope Is Finally Off Planet Earth

The world’s largest and most powerful space telescope rocketed away Saturday on a high-stakes quest to behold light from the first stars and galaxies and scour the universe for hints of life. NASA’s James Webb Space Telescope soared from French Guiana on South America’s northeastern coast, riding a European Ariane rocket into the Christmas morning sky. The $10 billion...


TUESDAY 21. DECEMBER 2021



MONDAY 20. DECEMBER 2021



MONDAY 13. DECEMBER 2021


Increasing Arctic Fires Are Melting Permafrost That Keeps Carbon Underground

Few things signal something’s gone haywire on the planet quite like frozen land on fire. Now scientists have determined that Arctic fires, even milder ones, can reshape a landscape for decades, in ways that may make it even harder to keep global heating from eclipsing international goals. It’s mostly rising temperatures that are thawing out frozen Arctic ground but northern blazes...


SATURDAY 11. DECEMBER 2021


Michael Strahan Launches Toward Space on Blue Origin Rocket

Football star and TV celebrity Michael Strahan hurtled toward space with Jeff Bezos’ rocket company Saturday, sharing the ride with the daughter of America’s first astronaut. The co-host of ABC’s “Good Morning America” and former New York Giant had a football with him as Blue Origin’s New Shepard rocket blasted off from West Texas on the planned 10-minute...


WEDNESDAY 1. DECEMBER 2021


Arctic Rain Will Soon Be More Common Than Arctic Snowfall

When rain—not snow—fell on the highest point of Greenland’s ice sheet this August for the first time in recorded history, it was considered a worrying anomaly related to the regions’ changing climate. Now, a new study led by Canada’s University of Manitoba and co-authored by scientists at the U.S.-based National Snow and Ice Data Center (NSIDC) shows that it’s...

What a Giant Map of the World’s Fungal Networks Can Tell Us About Climate Change

BERLIN — Scientists from the United States and Europe announced plans Tuesday to create the biggest map of underground fungal networks, arguing they are an important but overlooked piece in the puzzle of how to tackle climate change. By working with local communities around the world the researchers said they will collect 10,000 DNA samples to determine how the vast networks that fungi...


TUESDAY 30. NOVEMBER 2021


FDA Panel Narrowly Backs a First-of-a-Kind COVID-19 Antiviral Pill Made By Merck

WASHINGTON (AP) — A panel of U.S. health advisers on Tuesday narrowly backed a closely watched COVID-19 pill from Merck, setting the stage for a likely authorization of the first drug that Americans could take at home to treat the coronavirus. A Food and Drug Administration (FDA) panel voted 13-10 that the drug’s benefits outweigh its risks, including potential birth defects if used...


WEDNESDAY 24. NOVEMBER 2021


NASA Just Launched a Spacecraft To Crash Into an Asteroid, In a Test of a Planetary Defense Concept

(LOS ANGELES) — NASA launched a spacecraft Tuesday night on a mission to smash into an asteroid and test whether it would be possible to knock a speeding space rock off course if one were to threaten Earth. The DART spacecraft, short for Double Asteroid Redirection Test, lifted off from Vandenberg Space Force Base atop a SpaceX Falcon 9 rocket in a $330 million project with echoes of the...

How Your Post-Thanksgiving Diet Could Help Save the Planet

As you tuck into your Thanksgiving dinner, the kick-off event (at least for Americans) of the holiday season, spare a thought for the planet’s carbon waistline. Food production is a major source of greenhouse gas emissions, accounting for more than a third of emissions worldwide — and a new study has given fresh insight into how small changes in the diet can have a big impact on...

Nuclear Fusion Finally Finds Its Place in the Sun

One of my favorite bar signs is the one that promises “Free beer tomorrow.” That’s how I’ve always thought of nuclear fusion—a (theoretically) cheap, pollution-free and inexhaustible energy source, the promise of which has pretty much been a decade away ever since the technology was first tested 70 years ago. When “nuclear energy” is discussed,...


THURSDAY 18. NOVEMBER 2021


Space Junk Is Spreading, Creating the Risk of No-Go Zones for Satellites

The Russian missile test that shattered a dead satellite this week highlights a growing threat of space debris just as companies such as SpaceX and Boeing Co. make plans to launch as many as 65,000 commercial spacecraft into orbit in coming years. The anti-satellite weapon smashed a Russian orbiter into at least 1,500 pieces, forming a belt of debris hurtling around the Earth at speeds up to...


WEDNESDAY 17. NOVEMBER 2021


Surf and Turf: How Seaweed Helps Cows Become Better Climate Citizens

Getting calories out of grass is not easy. That’s why cows and other ruminants, like goats and sheep, have multiple compartments in their stomachs to help them digest their food. One of those stomachs is populated by microbes that help break down plant matter into a more digestible form. The process, called enteric fermentation, also produces methane, a potent greenhouse gas that is 80...

Monarch Butterflies Return to California After Record Low

(PACIFIC GROVE, Calif.) — There is a ray of hope for the vanishing orange-and-black Western monarch butterflies. The number wintering along California’s central coast is bouncing back after the population, whose presence is often a good indicator of ecosystem health, reached an all-time low last year. Experts pin their decline on climate change, habitat destruction and lack of food...

Why It Feels So Hard to Understand What Really Happened at COP26

The overarching narrative emerging from COP26 is complicated. The deal that emerged—the Glasgow Climate Pact—wasn’t universally celebrated, nor was it universally condemned. It won’t save the world, but it does move the needle. “We made real and vital progress,” Tina Stege, climate envoy for the Marshall Islands, told me just after countries agreed to the deal...


TUESDAY 16. NOVEMBER 2021