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TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

“We observed much lower metallicity than our models predicted for the planet’s bulk composition,” study co-author and ...

A massive exoplanet orbiting a small red dwarf star has revealed an atmospheric composition that contradicts long-standing theories of planetary formation, according to a new study published in The ...

The largest survey of exoplanets using an observatory atop Mauna Kea on the Big Island confirms a long-predicted relationship ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

WASHINGTON (Reuters) -Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to have gobbled up an icy world akin to the dwarf planet ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered an extrasolar planet orbiting TOI-4616—a nearby M-dwarf star. The newfound alien world, ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the ...