The curious minds at What If explore what happens if the largest nuclear bomb explodes in space, revealing radiation, ...

On Earth, gunshots are influenced by familiar forces: gravity pulls the bullet down, air slows it due to friction, and the person shooting is held steady on the ground. Beyond the confines of our ...

Our universe is filled with floating nebulae, spinning planets and black holes. But if we closed our eyes and listened, what would these celestial objects sound like? Would we hear a faint whoosh? Or ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. A standard mechanical piston device may be superior to ...

Our best models of the cosmos don't add up — but that could change if the universe is actually made of a viscous 'fluid,' a new paper suggests. When you purchase through links on our site, we may earn ...

As plans for missions to Mars accelerate, so do questions about how the human body might cope. A return trip to the red planet would give more than enough time for someone to become pregnant and even ...

Most of an atom is empty space, so why does some matter feel solid? Two physics principles explain why. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

SpaceX might not actually IPO in 2026. Can I interest you in a Starlink IPO instead?

Space is a near-perfect vacuum, which means there's no air to carry smells the way we experience them on Earth. Yet astronauts have reported different smells when returning from their space walks. How ...