Every month, io9 compiles a list of the new sci-fi, fantasy, and horror books coming out that we think will excite our ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

Why does the universe seem so perfect and finely tuned? This video unravels the scientific principles and cosmic phenomena ...

Pen spinning looks impressive, but it’s built on a few simple movements. This video breaks it down step by step, starting from zero. Once the motion clicks, it becomes natural fast. Dropping the pen ...

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

Dust devils on Mars form when air near the warm surface heats up and rises through cooler surrounding air, causing nearby air ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...