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Unlike a recent hypersonic missile test, officials didn't immediately confirm Friday's flight was a success.

US hasn't seen this many cases this early in a year since the 1990s before we hit "elimination."

Lindell brief has many defects including "cases that do not exist," judge says.

Top AI models excel at math problems but lack reasoning needed for Math Olympiad proofs.

Looming tariffs are already making electronics shopping harder.

"Microlensing" lets us find planets at much greater distances from their star.

Just the dialogue-no sound effects or music cues.

FBI accepts tips by TOR in likely attempt to woo China-based informants.

xAI faces calls to deny permits to power gas turbines at supercomputer facility.

Affected units will work locally, but smart features will shut down in October.

Ars chats with physicist and science journalist Adam Becker about his new book, More Everything Forever.

The improved Recall still tries to record everything you do on your PC.

TP-Link denies selling products below cost amid allegation of predatory pricing.

Scientists are worried because they can't fully explain the big jump, but it might mean that carbon absorption is slowing down.

Domestic AVs can now get FMVSS exemptions for no rearview mirrors or steering wheels.

Op-ed: As AI outputs flood the Internet, diverse human perspectives are our most valuable resource.

This week, engineers ground-tested upgrades for Blue Origin's New Glenn and Europe's Ariane 6.

Owners can buy kits to add accessories and features to the Slate Truck.

Something appears to be broken in how NASA procures launch services.

An ancient Chinese army set fire to an enemy capital, but things got out of hand.

Exec says lack of "price transparency and predictability" drove customers away.

States could mess with Trump's AI education plan if the Education Department dies.

After telling the court Google blocked its Moto deal, Perplexity debuts on the new Razrs.

Roku has tested annoying, obtrusive ads as recently as last month.

Trojanized mapping app steals users' locations, contacts, and more.

The director did not state a reason for the resignation.

The caterpillars even tailor the body parts, nibbling away at excess material to ensure a proper fit.

Motorola's flip phone lineup has expanded to three models, including a $1,300 "Ultra."

Switch 2 game upgrades for original Switch games also range from $10 to $20.

America is a strong market for the GTI, but even we couldn't save the manual.

China has limited US access, but other sources remain.

With great power comes great responsibility and subpar battery life.

The worm indefinitely proliferates into cystic masses in organs, mimicking cancer.

Live-action film is directed by Dan Trachtenberg of Prey fame.

New estimate: Fossil fuel companies have caused trillions of dollars in damages.

Biggest threat to free speech "is coming from our own government," Gomez says.

The modding community is already hard at work despite lack of "official" support.

A contractor used AI to create 23 out of the 171 scored multiple-choice questions.

China apparently gains upper hand, while TikTok's fate hangs in the balance.

"Wherever there's murder and mayhem, you will always find an Addams."

Google revealed in court that Gemini now sees 350 million monthly users.

Campaigns and spinoffs, even commercial, can use basic pieces for free.

EU fines Apple 500M and Meta 200M in first Digital Markets Act penalties.

Before acquiring Instagram, Mark Zuckerberg swore Facebook had no agenda."

"Bethesda has always been supportive of community projects like ours..."

"Heliophysics is the most unknown-and underrated-part of NASA's science program."

It is likely that there will never be a site like 4chan again.

To accompany our cargo bike shopper's guide, here's the other you'll want.

As Elon Musk helps undo regulations, regulatory credits keep Tesla profitable.

New statement is weak-but a start.