EarthSky

Artist’s illustration of an asteroid approaching Earth. The ATLAS telescope discovered an asteroid on December 25, 2024, that – as of January 27, 2025 – has 1-in-83 odds of hitting

View larger. | Artist’s concept of the exoplanet – a world orbiting a distant star – called GJ 1214 b. Previously thought to be a watery “super-Earth,” or a mini-Neptune

Here’s one of the newly imaged exocomet belts, around the star HD216956. The new study found exocomet belts – regions where comets likely exist or will exist – around 74

A map showing the stark difference between Mars’ southern highlands, in yellows and oranges, and northern lowlands, in blues and greens. New analysis of marsquakes could explain this difference. Captured

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