Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after decades of space probes, meteorite analysis, radio telescopes, and UFO investigations, what have we
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3I spectrum (dots) and the reflectance spectra of three CR and one R chondrite discussed in the text. — astro-ph.EP 3I/ATLAS is only the second confirmed cometary object known to
Look to the southeastern horizon in the hours following sunset on Nov. 29 — you’ll be able to see the moon shine close to the gas giant Saturn as Neptune
Using the James Webb Space Telescope, astronomers have detected unexpected high-energy ultraviolet radiation around five infant stars, or protostars, in the Ophiuchus star birthing region. The discovery could prompt a
Volatile element abundance of bulk Mars and Earth relative to chondrites (Yoshizaki & McDonough 2020). As volatile element abundance increases with heliocentric distance, Mars is enriched in volatiles. — astro-ph.IM
A newly identified tectonic “regime” may rewrite our understanding of how rocky worlds evolve, scientists report in a new study. The findings may help to explain why Earth became geologically
What can equatorial jet streams on gas giant planets teach scientists about gas giant planetary formation and evolution? This is what a recent study published in Science Advances hopes to
During the one-year analog mission, crew members will participate in various activities, including sample collection and analysis utilizing a glovebox. Bill Stafford/NASA [Federal Register Volume 90, Number 225 (Tuesday, November
A planet’s habitability is determined by a confluence of many factors. So far, our explorations of potentially habitable worlds beyond our solar system have focused exclusively on their position in
Following a recent setback with Booster 18, SpaceX is moving forward with the development of Booster 19 and the evaluation of the Block 3 test tanks. Despite this progress, a
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