Gravity holds across cosmos, proving Newton and Einstein right
Scientists have tested gravity across some of the largest structures in the universe and found that it behaves…
New Theory Says We’ve Been Overcomplicating the Big Bang
One of the greatest unsolved problems in physics concerns unifying quantum mechanics and general relativity—two equally successful theories…
The physics of no return: What actually happens if you get pulled into a black hole
In 1916, only a year after Albert Einstein had published his general theory of relativity, Karl Schwarzschild used…
Distance in space is an illusion
Andromeda sounds far away because 2.5 million light-years sounds far away. It lands with authority. It feels exact.…
Expanding catalog of black hole collisions is rewriting the history of the universe
Between May 2023 and January 2024, a global network of gravitational-wave detectors picked up 128 new cosmic signals,…
The 3-Body Problem Just Got an Upgrade—and You Can Thank Einstein
I’ve yet to meet a physicist that didn’t believe in the beauty of the general theory of relativity—Einstein’s…
Could time travel actually be possible? One researcher thinks so
One Vanderbilt University researcher thinks time travel might not just be for the movies. (Credit: Wikimedia Commons). Time…
Even Dark Matter Can’t Catch a Break From Gravity, Study Suggests
There’s still a lot we don’t know about dark matter, or the “missing” mass supposedly constituting around 85%…
What If the Big Bang Wasn’t the Beginning? Supercomputers Search for Clues
By simulating Einstein’s equations under extreme conditions, researchers may finally glimpse what happened before the Big Bang. Credit:…
What happens when you cross the point of no return?
Black holes form when massive stars exhaust their nuclear fuel and collapse under their own gravity. This collapse…