Science News
Air Pollution Could Be Contributing to Your Slower Marathon Time
Marathon runners consistently finished slower in cities with higher levels of dangerous particles in the air, researchers found.
E.P.A. Retreats From Plans to End the Energy Star Program
The agency has faced blowback from business leaders and Republicans over plans to end the popular energy efficiency program.
NASA Gets Moon Lander Plan B’s From SpaceX and Blue Origin
As NASA worries that China will win the next moon race, Elon Musk and his company tangled with critics.
New York Judge Dismisses Texas Challenge to the State’s Abortion Shield Law
The lawsuit was filed against an Ulster County clerk who rebuffed an attempt to enforce a Texas judgment against a New York doctor for sending abortion pills to that state.
Kim Kardashian Calls 1969 Moon Landing Fake. NASA Sets the Record Straight.
NASA’s chief, Sean Duffy, set the record straight after Kim Kardashian repeated the conspiracy theory that the 1969 moon landing had been faked.
Trump’s Call to Resume Nuclear Testing After Decades Revives a Cold War Debate
President Trump explained the order by saying other, unnamed nations were testing their own nuclear weapons, even though no country has tested since 2017.
What to Know About US Nuclear Weapons as Trump Threatens to Restart Testing
Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe.
Marthe Gautier, 96, Dies; Had Key Role in Down Syndrome Breakthrough
She had to fight for recognition after a male colleague took credit for her work in identifying an extra chromosome as the cause of that genetic condition.
Trump’s Call to Resume Nuclear Testing After Decades Revives a Cold War Debate
President Trump explained the order by saying other, unnamed nations were testing their own nuclear weapons, even though no country has tested since 2017.
Study Finds Evidence That Text-Based Therapy Eases Depression
A large-scale randomized trial of texting therapy concluded that its outcomes were as good as video sessions in treating depression.
The Case of the Tiny Tyrannosaurus Might Have Been Cracked
Did certain small tyrannosaur fossils belong to “teen rex” or another species? New analysis of a recent fossil appears to have settled the debate.
He Studied Why Some Female Birds Look Like Males
Jay Falk explored a fundamental question: How do genes give rise to different bodies? But without funding, “there’s not really a future here.”
R.F.K. Jr. Adviser Calley Means Has Left the White House
Mr. Means quietly departed his federal role about a month ago. His sister has been nominated for surgeon general.
Candy Companies Are Quietly Cutting Down on Cocoa to Save Money
As climate change has helped push cocoa prices higher, companies are changing candy recipes in subtle ways.
Riddle Me This, Riddle Me That: Who Can Explain the Glowing Green Bats?
Six species of North American bats emit a glow at almost identical wavelengths, according to a recent study.
V-1 Missiles Once Terrorized Britain. Now They’re Home to Starfish.
Tons of toxic German munitions, dumped in the Baltic and North Seas after World War II, have become an unlikely refuge for marine life, a new study has found.
Why the Price of Electricity Is Spiking Around the Country
Not all states have gotten hit equally hard. The reasons are complex.
Judge Cuts Greenpeace Dakota Access Pipeline Award in Half
A North Dakota judge reduced the jury’s award to the pipeline company Energy Transfer to roughly $345 million, from $667 million.
F.D.A. Moves to Speed Approvals for Cheaper Copycat Drugs
The agency announced moves to cut regulatory obstacles for the makers of biosimilar drugs, which are akin to generics and may help lower drug costs.
Why Spiders Are the Ultimate Interior Decorators
Scientists offer a new idea for why orb-weaving arachnids add decorations known as stabilimenta to their webs.