The source of the significant water ice deposits hidden in Mercury's polar regions has been a topic of debate among researchers. A new study, published in the Journal of Geophysical Research: Planets, suggests that these ...
SpaceX's blockbuster IPO filing included some out-of-this-world details, including a provision that founder Elon Musk's massive bonus only kicks in if one million humans settle on Mars.
Space Exploration
May 21, 2026
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Captured by the multispectral imager instrument on NASA's Psyche mission, this is an enhanced-color view of the large double-ring crater Huygens (upper right; about 290 miles, or 470 kilometers, in diameter) and the surrounding ...
Space Exploration
May 20, 2026
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This month, ESA's Mars Express takes us to Shalbatana Vallis: a fascinating Martian valley surrounded by signs of water, lava, craters and chaos. Shalbatana Vallis is an impressive channel near Mars's equator. This image, ...
Planetary Sciences
May 13, 2026
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If you've ever taken an introductory astronomy class, you've probably seen the Hertzsprung-Russell (HR) diagram. This graph maps out the life cycle of stars by plotting their temperature against their luminosity, and has ...
Astronomy
May 12, 2026
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You're a long-necked Titanosaur grazing the plains and chomping away on tree leaves about 100 million years ago in the Early Cretaceous in what would eventually become a future Starbucks location. You look up at the night ...
Planetary Sciences
May 11, 2026
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A team of scientists using the ChemCam instrument on NASA's Curiosity Mars rover has discovered the highest amounts of iron, manganese, and zinc ever found together in Gale Crater on Mars. Minerals with these metals were ...
Astrobiology
Apr 22, 2026
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Astronomers using the W. M. Keck Observatory on Maunakea, Hawaiʻi Island are revealing new insight into the composition and origins of Uranus's two outer rings. Using data from the Keck Observatory Archive (KOA), combined ...
Planetary Sciences
Apr 16, 2026
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The Subaru Telescope observed the interstellar comet 3I/ATLAS on January 7, 2026, after it made its closest approach to the sun. By observing colors in the coma around the comet, astronomers could estimate the ratio of carbon ...
Planetary Sciences
Apr 15, 2026
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Researchers at Northumbria University have used the most powerful space telescope ever built to answer one of the longest-standing puzzles in planetary science—why does Saturn appear to spin at a different speed depending ...
Astronomy
Mar 27, 2026
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