When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We all know and love the world's favorite theory of gravity: general relativity (GR), first ...

What do most people misunderstand about Einstein's Theory of Relativity? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better ...

Many theories are rock-solid: Scientists have just as much confidence in the theories of relativity, quantum mechanics, ...

A star known as S0-2 (the blue and green object in this artist’s rendering) made its closest approach to the supermassive black hole at the center of the Milky Way in 2018. (Nicole Fuller / National ...

At the age of 16, Albert Einstein famously envisioned running alongside a beam of light, which resulted in his Special Theory of Relativity: time slows down. “To raise new questions, new possibilities ...

Ten years after the first gravitational wave detection, a new suite of instruments has captured ringing signals before and ...

In a landmark achievement, astronomers have noticed light bending in an unexpected manner, one that doesn’t align with the predictions made by Albert Einstein’s theory of general relativity. This ...

Solar eclipses occasion lots of excitement and pique the public's interest in astronomical phenomena. Eclipses can also expand our understanding of the universe in profound ways. In fact, astronomical ...

"GW250114 is the loudest gravitational wave event we have detected to date; it was like a whisper becoming a shout." ...

Albert Einstein’s theory of general relativity has been remarkably successful in describing the gravity of stars and planets, but it doesn’t seem to apply perfectly on all scales. When you purchase ...

It was 100 years ago this month that Einstein first presented his general theory of relativity – a work that would transform our understanding of the nature of space and time. In a time dilation of ...