Example full-resolution Ariel transmission spectrum of the hot-Saturn WASP-39 b simulated at Tier 2 precision (black error bars). The underlying atmosphere model assumes chemical equilibrium with a solar C/O ratio
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Hubble Space Telescope spots a mesmerizing spiral galaxy | Space photo of the day for April 17, 2026
Hubble Space Telescope image of the barred spiral galaxy IC 486. (Image credit: ESA/Hubble & NASA, M. J. Koss, A. J. Barth) The Hubble Space Telescope has spotted a spiral
Early in my career at SpaceX, I was the only person dedicated to training the mission control team for Dragon. For three years, I built the training for the operations
Artemis 2 NASA astronaut Reid Wiseman walks out with his fist raised, cheering following the mission splashdown. In his hand is his water bottle, with Rise, the mission mascot, firmly
Japan’s space agency, JAXA, has been knocking it out of the park with small-body exploration missions for decades. They had historic successes with both Hayabusa and Hayabusa2, and they are
Earth Observatory Science Earth Observatory Earthset From the Lunar Far Side Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on
A deuterostome cambroernid fossil from the Jiangchuan Biota and artist’s reconstruction (IMAGE) A newly discovered fossil site in southwest China has transformed our understanding of how complex animal life emerged
NASA Seen during Artemis II’s lunar flyby on April 6, 2026, the Moon and Earth align in the same frame, each partially illuminated by the Sun. The Moon’s surface appears
Artemis II completed a 10-day journey around the Moon, carrying humanity farther into space than it has gone in over 50 years. ESA played a critical role in the mission’s
We’re getting closer and closer to finding a real Earth-like exoplanet. But finding one is only half the battle. To truly know if we’re looking at an Earth analog somewhere
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