EarthSky8- Page

Best animation of our Milky Way galaxy The European Space Agency’s Gaia spacecraft launched in 2013 and spent more than a decade measuring and mapping our home galaxy, the Milky

View larger. | This is the largest photomosaic ever assembled from NASA/ESA Hubble Space Telescope observations. It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years

Watch the dust shells of Wolf-Rayet 140 fade between 2022 and 2023. NASA’s Webb Space Telescope has taken incredible new images of the binary star’s dusty rings. Video via Joseph

A survey of 1,055 scientists, including 521 astrobiologists, found that 86.6% believe basic extraterrestrial life likely exists. Agreement among non-astrobiologists was similar. Scientists cite the abundance of habitable environments in

Spring on Mars brings explosive changes. As temperatures rise, the Martian northern hemisphere experiences dramatic events such as frost avalanches, carbon dioxide gas geysers, and winds reshaping polar ice caps

View larger. | An example of weird, dark streaks called recurring slope lineae on the slopes of Mars’ Horowitz crater. Do liquid water brines form these streaks? A new study

View larger. | NASA’s Juno spacecraft captured this view of Io on December 30, 2023. A new NASA study suggested Io doesn’t have a global subsurface ocean of magma. Rather,

View larger. | Artist’s illustration of TRAPPIST-1 b as it is about to pass behind its red dwarf star. A new study suggested that TRAPPIST-1 b is either airless but

View at EarthSky Community Photos. | Abhijit Patil in Big Sur, California, captured Comet A3 near the Milky Way on October 22, 2024. Thanks, Abhijit! The comet was one of

The European Space Agency (ESA) has announced its 2025 calendar, featuring the best images from the Hubble and Webb telescopes from the past year. And it’s free for you to