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 ...

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 ...

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 ...

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 ...

Once an eclipse season begins, a pair of eclipses becomes almost inevitable. A new moon occurring near a node produces a solar eclipse when the moon passes between Earth and the sun. Roughly two weeks ...