Black hole images may test competing gravity theories. A new method uses simulations to check if they follow Einstein or alternatives with future sharper telescopes. (Nanowerk News) Black holes are ...

At the current resolution of telescopes, black holes predicted by different theories of gravity still look very similar. Future telescopes will make the differences more visible, making it possible to ...

An undiscovered population of ancient black holes may be lurking throughout the universe. These bottomless cosmic pits would have a lot in common with more familiar black holes; in some cases, the two ...

Q: I keep finding mysterious holes all over my lawn. How do I determine what type of animal is digging holes in my yard? A: There are many different animals that could be digging in a homeowner’s ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For about 50 years ...

Wire strippers are an essential tool used by technicians, electricians, and DIY enthusiasts to safely and effectively remove insulation from electrical wires. At over a century old, its design has ...