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Door-to-Door Search for Grapevines Sold at Costco Begins in California’s Santa Clara County

ALEXANDRA E. PETRI

Officials in Santa Clara County began knocking on doors on Monday to collect potentially infested plants sold at some Costco stores.

Watch SpaceX’s Starship flight 13 launch tonight

SpaceX is launching the latest version of its Starship megarocket for a test flight that—if all goes to plan—should look a lot like the last one

The Perseid meteor shower aligns with a total solar eclipse this year—here’s how to see it

Skygazers are in for a treat in August, as one of the most spectacular meteor showers coincides with a total solar eclipse

FDA approves cholesterol pill more powerful than statins

Most adults have levels of a dangerous type of cholesterol that are above 100, but this new drug can reduce levels to around 50

U.S. approval of giant ‘space mirror’ satellite alarms astronomers

A controversial new ruling from the Federal Communications Commission leaves no one responsible for regulating light pollution and other ill effects from skyrocketing numbers of satellites

The F.D.A. Approves a New Pill to Slash Cholesterol Levels

GINA KOLATA

The new pills can lower cholesterol levels far below what can be achieved with statins, clinical trials have shown.

Will SpaceX’s 13th Test Flight of Starship Be Lucky?

KENNETH CHANG

The objectives remain largely the same as the last launch in May. The biggest difference is that the gargantuan rocket will deploy 20 functioning, next-generation Starlink internet satellites.

National Academies Report Backs Climate Change Attribution Science

RAYMOND ZHONG

Attribution science is advancing quickly, researchers said. That could support lawsuits seeking damages for severe events worsened by global warming.

Speeding may be costing drivers far more than a ticket

Shaving under a minute off our daily commutes costs Americans $22 million daily

A super-Earth exoplanet’s leaking helium could be evidence of a complex atmosphere

The planet LHS 1140 b lies in its star's habitable zone, which already made it a prime candidate as a possible host for life

Researchers Claim to Have Solved the Perplexing ‘Reverse Sprinkler’ Problem That Stumped Feynman

KENNETH CHANG

Physicists have debated which way a submerged sprinkler sucking in water would spin. Careful experiments provide an answer.

Mary-Dell Chilton Dies at 87; Helped Create First Genetically Modified Plant

JERÉ LONGMAN

In 1982, she led the research team that figured out how to genetically alter plants, a discovery that would eventually transform global agriculture.

An Extraordinary White House Meeting

DAVID GELLES

A new book sheds light on President Trump’s affinity for fossil fuels.

Burning Houses to Save Houses

MIRA ROJANASAKUL

We visited researchers seeking ways to make homes safer. They set a lot of fires.

Why Does Wildfire Smoke Turn the Sky Orange?

KATRINA MILLER

It’s about how light scatters in our atmosphere.