Spring on Mars brings explosive changes. As temperatures rise, the Martian northern hemisphere experiences dramatic events…
Category: Earth Sky
Are there liquid water brines on Mars? New study casts doubt
View larger. | An example of weird, dark streaks called recurring slope lineae on the slopes…
Io’s raging volcanoes are self-powered
View larger. | NASA’s Juno spacecraft captured this view of Io on December 30, 2023. A…
Exoplanet TRAPPIST-1 b might have a hazy atmosphere
View larger. | Artist’s illustration of TRAPPIST-1 b as it is about to pass behind its…
Best of Hubble and Webb
The European Space Agency (ESA) has announced its 2025 calendar, featuring the best images from the…
See the top 10 stories of 2024 from EarthSky
View at EarthSky Community Photos. | Abhijit Patil in Big Sur, California, captured Comet A3 near…
Moon’s largest crater is rounder than 1st thought
View larger. | This elevation map depicts the South Pole-Aitken basin on the moon. It is…
Parker Solar Probe to touch the sun on December 24
For the latest on Parker Solar Probe, watch the livestream above at 12:15 CST (18:15 UTC)…
How to catch a supernova explosion before it happens
Artist’s concept of Eta Carinae’s Great Eruption in 1843. This star underwent a great eruption but…
NASA reports on Ingenuity Mars helicopter accident
The Ingenuity Mars helicopter, as imaged by the Perseverance rover. This helicopter was the first aircraft…