This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of physics. Despite enormous progress in cosmology and particle physics, we still ...

A flat earther attempted to explain why space travel was impossible. At first, the argument sounded confident. As basic questions were asked, the explanation began to fall apart. Key concepts of ...

In our three-dimensional space, elementary particles neatly filter into either bosons or fermions. But in lower dimensions, that distinction gets a bit murky.

It would be understandable if you stopped thinking as much about Pluto after it was “demoted” from being considered one of the nine planets sharing the Earth’s solar system to being classified as a ...

The squeaking of sneakers on a gym floor is usually attributed to friction, specifically a stick-slip variety that involves cycles of sticking and sliding between two surfaces. But that model is best ...

"You can't have a cut of that scale and not expect to see a massive impact." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

Tech firms are floating the idea of building data centers in space and tapping into the sun's energy to meet out-of-this-world power demands in a fierce artificial intelligence race. Elon Musk's ...

Light is the fastest phenomenon in the universe, clocking in at just under 300,000 kilometers per second. The telescopes that observe that light, from radio waves to gamma rays, are built at rather ...

This cutaway view shows the interior of the Starlab space station’s laboratory. (Starlab Illustration) How do you design a living space where there’s no up or down? That’s one of the challenges facing ...

Transcelestial has developed space-to-ground optical communications terminals for spacecraft, such as this one for the 6GStarLab spacecraft. Credit: Transcelestial WASHINGTON — Transcelestial, a ...

SpaceX has acquired Elon Musk’s artificial intelligence startup, xAI, creating the world’s most valuable private company, the spaceflight company announced Monday. Musk, who is also the CEO of SpaceX, ...