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 ...

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 ...

Albert Einstein's theory of general relativity—which explains gravity as the product of the distortion of space and time—may not be universally applicable. This is the conclusion of physicists from ...

It’s one thing to discover a new star, quite another to find one that hurtles through space as if it’s in a hurry to get somewhere. But try this for a scientific trifecta: finding a speedy new star ...

Astronomers used a method once theorized by Albert Einstein to find a mysterious and rare planet on the edge of our galaxy. The planet, AT2021uey b, is a Jupiter-sized gas giant located about 3,200 ...

"This first strong gravitational lens discovered by Euclid has unique characteristics." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

Amalie Emmy Noether—known as Emmy—is one of history’s greatest mathematicians. Her groundbreaking work, Noether’s theorem, serves as the foundation for today’s standard model of particle physics. Some ...