On Earth, nothing could feel as familiar as the passing of our seasons. And our days…
Category: Earth Sky
Black hole Cygnus X-1 has fast, powerful dancing jets
An animation of the interaction between the Cygnus X-1 black hole and its large companion star.…
Simulating how black holes light up the dark
Artist’s depiction of a supermassive black hole tearing apart a star. Roughly half of the stellar…
Do Newton and Einstein’s laws of gravity hold across the cosmos?
View larger. | Artist’s concept of the cosmic microwave background, the oldest light in the universe:…
Can we find alien life in groups of similar planets?
A new study from researchers in Japan suggests that a better way to search for alien…
DESI’s 3D map of the universe is complete!
This visualization shows how DESI’s 3D map of the universe accumulated over 5 years. It begins…
See and hear galaxies evolving in new simulations
See and hear galaxies evolving in these new simulations. Video via Royal Astronomical Society. New simulations…
Huge ancient sandstorm on Mars revealed in rippled sediments
View larger. | Here are some of the bedrock blocks in the Martian Jawbone Canyon region…
Comet R3 PanSTARRS is brightening! Pics and chart here
EarthSky friend John Ashley shared his video of Comet R3 PanSTARRS rising before the sun in…
The night sky in the time of the dinosaurs
What did the night sky look like in the time of the dinosaurs? Image via Stephen…