View larger. | Perspective view of Mars’ north polar ice cap from ESA’s Mars Express orbiter.…
Category: Earth Sky
Question mark galaxy? Gravity lens creates cosmic graffiti
When, where, how? The cosmos is full of questions. Still, astronomers using NASA’s James Webb Space…
Jupiter’s moon Io has a new volcano! See pics here
Here’s an image of Jupiter’s moon Io from February 2024. The black-and-white inset shows the same…
Earth to get an asteroid mini-moon for 2 months
Newly-discovered #asteroid 2024 PT5 is about to undergo a “mini-moon event” when its geocentric energy becomes…
See the most-detailed star bubbles yet in new video
Watch the motion of star bubbles on the surface of the star R Doradus in the…
Human-made meteor shower could hit Earth in a decade
In this 1-minute video, EarthSky’s Will Triggs tells you about the human-made meteor shower that could…
A buddy for Betelgeuse? Does this mean no supernova?
The red supergiant star Betelgeuse is a beloved star, bright and easy to see in the…
Moon crazy, with Robert Reeves
The Earth and its moon are locked together in a codependent embrace. How does the moon…
Moon’s volcanoes were erupting only 120 million years ago
View at EarthSky Community Photos. | The lunar maria – once thought to be seas –…
How asteroid Phaethon can spawn the Geminid meteors
Artist’s concept of asteroid 3200 Phaethon – parent object of the Geminid meteor shower – near…