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 ...

Year after year, humanity is setting new records for the amount of stuff we're sending into the Earth's orbit, spurred mostly by Starlink's orbital domination. We're getting more eyes (satellites) on ...

Spacefaring countries have for decades been sending thousands upon thousands of satellites and other objects into orbit, where they have become an integral component of modern society. From hundreds ...

“Holding space” may be associated with health benefits such as lowered blood pressure and reduced stress. Keep reading to learn more about holding space, as well as how to do so. When you hold space ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. As a piece of ...

In space, no one can hear you scream — here's why. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our universe is filled with floating nebulae, ...

The U.S. Space Force's X-37B space plane is set to launch its eighth mission from Kennedy Space Center. The mission, designated USSF-36, will focus on testing laser communications and a new navigation ...

The Danish territory of Greenland and its strategic importance for the U.S. and NATO (the North Atlantic Treaty Organization) have been making headlines recently. Largely lost in the media furor, ...

Space Command is responsible for military operations beyond Earth's atmosphere. It's separate from the US Space Force, which is a service branch of the military – like the Army or Navy – responsible ...

SpaceX is set to launch its Crew‑11 mission to the International Space Station (ISS) on Thursday (July 31), and the event will stream live online. Here's how and when you can watch it. The Crew‑11 ...