For decades, a black hole that has as much spin or charge as it can given it mass was considered mathematically impossible. A new proof reveals otherwise.
Most Recent Articles
Timekettle T1 Handheld Translator Review: Global Offline Translation
This global language translation tool works whether you’re connected to the network or not.
10 Best Android Phones of 2025, Tested and Reviewed
Shopping for a phone can be an ordeal. That’s why we’ve tested almost every Android phone, from the smartest to the cheapest—even phones that fold—to find those worth your money.
The 23 Best Shows on Amazon Prime Right Now (July 2025)
Overcompensating, Reacher, and The Second Best Hospital in the Galaxy are just a few of the shows you should be watching on Amazon Prime Video this week.
The 20 Best Movies on Amazon Prime Right Now (July 2025)
Deep Cover, Conclave, and Challengers are just a few of the movies you should be watching on Amazon Prime Video this week.
The 41 Best Shows on Netflix Right Now (July 2025)
Squid Game, Black Mirror, and The Survivors are just a few of the shows you need to watch on Netflix this month.
The 41 Best Movies on Netflix Right Now (July 2025)
KPop Demon Hunters, Lost in Starlight, and Barbarian are just a few of the movies you should watch on Netflix this month.
How to Use Clean Energy Tax Credits Before They Disappear
There are just a few weeks left to tap federal programs that make purchasing an EV, heat pump, or solar panels more affordable.
Gear News of the Week: Samsung’s Trifold Promise, Ikea’s Sonos Split, and Hugging Face’s New Robot
Plus: OnePlus debuts five new devices, iOS 26 has Beta drama, and Honor's new folding phone is slimmer than Samsung's.
4 Arrested Over Scattered Spider Hacking Spree
Plus: An “explosion” of AI-generated child abuse images is taking over the web, a Russian professional basketball player is arrested on ransomware charges, and more.
How to Watch the Southern Delta Aquariids and Perseids Meteor Showers
In July and August two spectacular meteor showers will arrive in quick succession. Here’s everything you need to know to watch them and the other major showers that will appear in 2025.
Prime Day is Finally Over But These 142 Deals Are Still Available
We understand the skepticism with Prime Day deals—we only recommend quality gadgets that we’ve spent weeks evaluating to ensure you’re getting a good deal on a great product.
Best Prime Day Laptop Deals 2025: MacBooks, Chromebooks, and More
We’ve tested just about every laptop you’d want to buy, and these are the best deals we’ve found for Amazon Prime Day.
The 6 Best Prime Day Action Camera Deals for Thrill Seekers (2025)
Action cameras are perfect for travel, social media vlogging, and careening around the lake on a jet ski. Upgrade your action camera with one of these great Prime Day deals.
20 Best Prime Day Fitness Tracker Deals and Smart Ring Sales (2025)
It’s summer and we’re ready to run around like crazy. These deals on fitness trackers and smart rings—like the Oura Ring—will help you do that.
14 Best Prime Day TV Deals for All Budgets (2025)
These are the best TV deals to shop during Amazon's Prime Day sale event.
The 25 Best Non–Prime Day Deals From Retailers That Are Not Amazon
Amazon doesn’t have a monopoly on deals. Forget Prime Day with tempting tech deals from Walmart, Target, and other retailers.
Best Prime Day Beauty Deals 2025: Hair, Skin, and Dental Care
Prime Day’s beauty bargains are still going. We tested the gadgets, tracked the prices, and scanned hundreds of deals to find what’s actually worth it.
100 Best Prime Day Deals Under $100 (2025): LifeStraws, Tech, and More
From headphones to water filters, here are the best products we've found for under a Benjamin.
13 Best Prime Day Mattress Deals Plus Top Bedding Sales (2025)
Is it Christmas in July, or is it Amazon Prime Day? Either way, it's a great time to save on a mattress.
22 Best Prime Day Apple Deals—Including 40% Off AirPods
If you need to replace your [insert Apple product here], this Amazon Prime Day is a chance to snag it at a significant discount.