TRAPPIST-1 Status Report astro-ph.EP November 4, 2025 Filed under astro-ph.EP, astrogeology, exoplanet, M-dwarf, TRAPPIST-1, TRAPPIST-1 b, TRAPPIST-1 c, TRAPPIST-1 d, TRAPPIST-1 e, TRAPPIST-1 f, TRAPPIST-1 g Core–mantle partition coefficient of
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MOUNTAIN VIEW, Calif. — Fresh questions are emerging over Rocket Lab’s proposed acquisition of German laser communications firm Mynaric as Europe doubles down on its push for domestic space and
With unprecedented detail, a team of astronomers led by MPE have imaged the youngest disks around new-born stars. Astronomers used to think that planet formation followed star formation. But these
After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity’s vision of the universe to its utmost limits, we can finally, confidently say
Dwarf planet Ceres’ Occator crater in false color showing surface composition via NASA/ JPL-Caltech/ UCLA/ MPS/ DLR/ IDA. EarthSky’s 2026 lunar calendar is available now. Get yours today! Makes a
Dark matter could tint light passing through it, depending on the model. While the effect is tiny, it is just on the edge of our ability to detect it.
SpaceX is rapidly advancing its Starship assembly and launch infrastructure at its Roberts Road site, as revealed by recent aerial photography from NSF. Progress is notable on several crucial elements,
WASHINGTON — Array Labs, a Silicon Valley startup developing radar-based Earth observation satellites, announced Jan. 5 it raised $20 million in a Series A round as it pushes to bring
WASHINGTON — The U.S. Space Force announced Jan. 9 it awarded SpaceX nine national security space launch missions worth $739 million, issuing task orders under the National Security Space Launch
Portrait of Edmond Halley circa 1687 by Thomas Murray. Halley is famous for discovering that comets are objects that orbit the sun and can reappear in our skies. Halley’s Comet
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