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The secret Cold War history of Tetris

The beloved game arose out of the opposing forces of the U.S. and the Soviet Union

Dogs Will Fight Bears. But Not Because of the Reason You Might Think.

ALEXANDER NAZARYAN

Scientists analyzed hundreds of encounters between bears and canines. The results raise the suggestion that dogs may not always protect people in the wild.

Did Anthropic’s A.I. Really Make a Scientific Discovery on Its Own?

CARL ZIMMER

An expert at the University of Copenhagen said his team had been sharing its research with the company’s A.I. model, Claude, and that its new finding matched their work.

SpaceX’s Starship Is Set to Make Its First Orbital Flight

KENNETH CHANG

If successful, the 14th test flight will be a crucial milestone toward the company’s ambitions of sending people to the moon and Mars.

Growing AI energy demands, the search for subatomic particles and the hottest amoeba

From the smallest building blocks of life to prehistoric vomit and a newly discovered amoeba that can really take the heat.

Donor hearts may take on the age of their new bodies

After transplant, young hearts in both mice and humans showed signs of accelerated aging in older bodies, while older hearts in younger bodies seemed rejuvenated

SpaceX’s Starship lifts off in make-or-break orbital test flight

The world's largest rocket is on a 10-hour mission to prove its mettle

Surprising result seen in primordial matter inside atom smasher

Physicists at the Relativistic Heavy Ion Collider on Long Island have seen hints of a phase transition from the early universe

NASA to attempt uncrewed and crewed missions with Boeing’s troubled Starliner spacecraft

Starliner hasn't flown since its failed 2024 mission left two astronauts onboard the International Space Station for 286 days

Trump announces relaxed fuel economy standards

Environmental advocates have decried the move

TikTok influencers are promoting a home remedy to boost the immune system that could cause botulism

No, fermenting garlic in honey is not a replacement for antibiotic or antiviral meds

This Virus Stole a Human Gene and Won’t Let Go of It

CARL ZIMMER

Scientists have found a human gene lurking in a virus that causes skin infections. It may be using our own DNA to infect us.

How El Niño Is Shaping Storms on Two Sides of the U.S.

RAYMOND ZHONG

Hurricanes near Hawaii. A nor’easter on the East Coast. The ocean phenomenon’s influence on storms around the country may just be getting started.

Despite Setbacks, NASA Gives Boeing’s Starliner Spacecraft a Boost

KENNETH CHANG

A previous mission left two astronauts stuck in space for months. Still, the space agency is investing $359 million to keep the craft flying.

One in eight new cancers are likely caused by infections—there’s an easy way to protect yourself

Many cancers associated with infection are preventable