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Some of the bikes we've looked at over the last couple of years are now on sale.

We picked 20 time-travel movies and rated them by scientific logic and entertainment value.

We also test out the optional-and slightly odd-active ride system.

The best vacuums from Dyson, Roborock, and iRobot are on sale for Black Friday

The Telescope Array in Utah's West Desert picked up a rare particle with 244 EeV energy.

"I conclude the objects are the spy satellite and the rocket upper stage."

After a launch in May, South Korea's navy recovered parts of North Korea's rocket.

Zenbooks accused of ripping off hinge, touchpad, and other inventions.

Data center revenue is up 279% from the same quarter last year.

Internet scans show 7,000 devices may be vulnerable. The true number could be higher.

Ars chats with the NatGeo explorer about how technology can help strip back layers of time.

All Android and iOS users can soon tap a headphone icon and start chatting.

Report claims Sonos is expanding into new products to make up for slowing sales.

Tesla may owe punitive damages to victim as key trial over Autopilot proceeds.

The cluster of rare cases suggests a new strain of syphilis may have spread.

Dark money group American Action Network spend millions opposing drug pricing reforms.

For most games, a license is either free or the cost of a medium-nice dinner.

This Mars mission is relatively modest in cost, so NASA thinks it's worth the risk.

Altman has agreement to return, while most of the board that fired him is out.

In the future, F1 teams may need to adapt to using fewer tires each weekend.

Upgrade your home theater with these sweet TV and soundbar deals.

$130 nostalgia box is useful for seeing your old cartridges in HD, and that's about it.

"Along this loop is a set of red rock hoodoos that pop out of seemingly nowhere."

Black Friday week brings in the best headphone deals we've seen all year.

LitterDrifter's means of self-propagation are simple. So why is it spreading so widely?

Binance CEO popularly known as CZ names successor in emotional X post.

Can playing 16:9 content on a 21:9 screen affect burn-in risk? Apparently.

Fake gearshifts and powertrain noises enhance Hyundai's electric hot hatch-mostly.

Amazon has had a notoriously hard time making money from Alexa.

"Altman would return only if the board members who fired him left," report says.

The "Manifest V3" rollout is back after letting tensions cool for a year.

"Personally, I don't think that would be the end of the world."

Respiratory virus season is in full swing as people ready for family gatherings.

The Z-machine allowed porting from mainframes to TRS-80, Apple II, and others.

From Apple to Asus and Lenovo to HP, there are plenty of savings on a new laptop.

Anthropic CEO Dario Amodei quickly declined job offer and merger, reports say.

In lawsuit, Musk says ads next to antisemitic posts are Media Matters' fault.

The Korean automaker's latest facility is a test bed for new ideas.

OpenAI's future hangs in the balance as staff says they'll join former CEO at Microsoft.

Webb reveals the Sagittarius C region of the Milky Way.

Want to play console-style games on your phone? These are your options.

Hybrid prototypes from Acura, BMW, Cadillac, and Porsche wowed the crowds.

Nothing promised end-to-end encryption, then stored texts publicly in plaintext.

Factory seconds, returned products, and B-stock can all save a bit of money.

Let's not send a few thousand people to Mars as a big experiment in survival.

Court cannot grant X Corp.'s flawed legal motion, magistrate judge rules.

Brands claim ad controls don't work, urge X CEO to quit over antisemitism.

Scientists have identified a flavonol called quercetin as the most likely culprit.

GM-owned Cruise "failed to disclose" full video and key crash details, DMV said.

Games are more responsive on the OLED screen, even when running at 60 fps or below.