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Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Scientists with the Institute for Advanced Study’s School of Natural Sciences say they have found a possible dwarf planet that they have dubbed an "extreme cousin" of Pluto. They say that the possible ...

A small, cool star roughly 30 light-years from the Sun appears to harbor a rocky world just the right distance away for liquid water to survive on its surface. The planet, called GJ 3378b, was first ...

Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. After the sun finally dies, billions of years in the future, Earth too ...

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...

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 ...

A rare type of plutonium has been found in the crust below the deep sea, offering new clues as to how heavy metals form in star explosions and mergers. Strange hexagonal diamonds may have been ...

Some parts of the dwarf planet Ceres harbored pockets of near-surface water for millions of years in the recent past, a new study suggests. Nearly three years since NASA's Dawn mission arrived at ...