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,…
Newborn magnetar offers rare evidence of Einstein’s relativity in a stellar explosion
The light did not fade the way it was supposed to. After blazing into view about a billion…
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…
No, Earth Won’t Lose Gravity for 7 Seconds on August 12, NASA Says
In recent weeks, a rumor claiming that Earth would “lose gravity” for 7 seconds on August 12, 2026,…
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%…
Einstein’s relativity could rewrite a major rule about what types of planets are habitable
When you buy through links on our articles, Future and its syndication partners may earn a commission. An…
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…