William Lucas, who has died aged 102, was the director of Nasa’s Marshall Space Flight Center in Huntsville, Alabama, the ...
A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova ...
A decade later, researchers identified a 200-kilometer-wide (125-mile-wide) crater off the coast of Mexico’s Yucatan Peninsula ... using data from the European Space Agency’s Gaia space ...
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