Cosmology
Latest about Cosmology
James Webb Space Telescope finds the faintest galaxy ever detected at the dawn of the universe
By Ben Turner published
The James Webb Space Telescope has discovered the faintest galaxy ever seen, burning away the pitch-black gloom of the early universe 13 billion years ago.
What is the speed of light?
By Briley Lewis published
Light is faster than anything else in the known universe, though its speed can change depending on what it's passing through.
What's the difference between outer space and deep space?
By Briley Lewis published
Space, outer space, and deep space — which is further out, and which is the real final frontier?
James Webb Telescope finds evidence of 'celestial monster' stars the size of 10,000 suns lurking at the dawn of time
By Ben Turner published
The James Webb Space Telescope has found key chemical fingerprints of supermassive stars just 440 million years after the Big Bang.
Scientists watched a 'reappearing supernova' explode 5 times in a row — and it could help reveal how fast the universe is expanding
By Isobel Whitcomb published
After showing up five times in Hubble images, a 'reappearing supernova' is helping scientists solve one of astronomy's biggest mysteries.
Scientists discover secret 'symmetries' that protect Earth from the chaos of space
By Anna Demming published
A new analysis of chaos in the solar system reveals how planetary collisions are avoided over billions of years.
Astronomers find remnants of the oldest stars in the universe
By Joanna Thompson published
A gas cloud 13 billion light-years away may be the resting place of some of the earliest stars in the universe.
'Green Monster' supernova is the youngest in the Milky Way, James Webb telescope reveals
By Stephanie Pappas published
New James Webb Space Telescope images reveal the grisly past of Cassiopeia A, the youngest known supernova remnant in the Milky Way.
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