Fresh research about ripples in the fabric of spacetime suggests a nearly 2,000-year-old cosmic calculator followed the lunar calendar instead of the solar one. The hand-powered "Antikythera mechanism ...

ESA/Webb, NASA & CSA, L. Bradley, A. Adamo, and the Cosmic Spring collaboration Day 11 of the 2024 Space Telescope Advent Calendar: gazing deeply through time. Using the James Webb Space Telescope, an ...

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot from a procession of robotic spacecraft attempting to land on the moon. How ...

If the fabric of the universe is a flat, rubbery sheet, Earth is a pothole that bends the fabric of spacetime into a funnel around it. But what would it be like to overcome Earth’s gravity, lift off ...

Day 10 of the 2024 Space Telescope Advent Calendar: the glow of hot, young stars. The James Webb Space Telescope captured a spectacular view of the galaxy I Zwicky 18 (I Zw 18). This galaxy, roughly ...

For his next trick, your cosmic correspondent for the past quarter-century will (try to) retire. By Dennis Overbye As the day shrinks into its annual darkness, here’s what I know about the cosmos — so ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The powerful Euclid ...

Our universe appears to be expanding about eight percent faster than initially assumed possible, according to new observations from the James Webb Space Telescope. There has been a long-established ...