The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...
A team of physicists has captured the Terrell-Penrose effect, showing objects appearing rotated as if moving at 99.9% the ...
For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical ...
Global Positioning System (GPS) satellites continuously beam down ultra-precise timestamps, each message essentially saying, “It was 12:00:00.000001 when I sent this.” ...
As scientists get closer to putting humans on Mars, the need to understand why clocks tick faster on the red planet is more ...
Nobel laureate Kip Thorne, who will deliver the Royal Irish Academy 2025 Hamilton Lecture, on his lifelong quest to ...
A new model suggests the universe may stop expanding and collapse in a reverse Big Bang, ending in a Big Crunch about 20 ...
CAPE CANAVERAL SPACE FORCE STATION — Despite the number of struggles Relativity Space has faced trying to get the world’s first 3D-printed rocket off the ground, it finally succeeded Wednesday night, ...