A Day on Venus Is Longer Than a Full Year on Venus — Here's Why
Venus rotates so slowly on its axis — and orbits so quickly around the sun — that one Venusian day is longer than on…
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Space
The awe-inspiring vastness of the cosmos and our universe
10 Amazing Stories
Water Ice Confirmed in Permanently Shadowed Craters on the Moon's Surface
NASA confirmed in 2018 that water ice exists in permanently shadowed craters at the Moon's poles. These deposits could f…
Scientists Discovered a Planet Made Entirely of Diamond Twice the Size of Earth
About 40 light-years away, the planet 55 Cancri e is so dense and carbon-rich that researchers believe its mantle is mad…
Neil Armstrong's Footprints on the Moon Will Remain There for 100 Million Years
With no atmosphere, no wind, no rain, and no plate tectonics, the Apollo astronauts' footprints in lunar dust will remai…
Saturn's Rings Are Only 30 Feet Thick Despite Being 175,000 Miles Wide
Saturn's magnificent rings span 280,000 km across — yet they are only 10 meters thick on average. From the side, they …
Europa's Hidden Ocean Has Twice As Much Water As All of Earth's Oceans
Beneath the icy surface of Jupiter's moon Europa lies a global liquid-water ocean estimated to contain over twice the vo…
There Are More Galaxies in the Universe Than Seconds Since the Big Bang
The observable universe contains an estimated 2 trillion galaxies. The Big Bang occurred 13.8 billion years ago — but …
James Webb Captured Galaxies Forming Just 300 Million Years After the Big Bang
The James Webb Space Telescope can see galaxies as they were just 300 million years after the universe began — overtur…
The Sun Contains 99.86% of All the Mass in Our Entire Solar System
Despite Jupiter being a thousand Earths, despite Saturn's magnificent rings, despite billions of asteroids — all the p…
A Rogue Planet Drifts Through Our Galaxy With No Star — In Total Eternal Darkness
Astronomers have confirmed dozens of "rogue planets" — Jupiter-sized worlds drifting through interstellar space withou…