Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

Follow the space program since the moon landing in the four-part documentary "Once Upon a Time in Space". Here’s how to watch it anywhere on the planet. When you purchase through links on our site, we ...

ISSAP received funding from the Australian Research Council. Justin Walsh's co-PI on ISSAP is Dr. Alice Gorman (Flinders University). Walsh co-owns Brick Moon, a space habitat consultancy. The ...

Add Yahoo as a preferred source to see more of our stories on Google. With 2025 nearly in the books, let’s revisit some of the highlights of the year in space, from astronomy to spaceflight. During a ...