The Polaris Dawn crew Jared Isaacman, Scott "Kidd" Poteet, Sarah Gillis and Anna Menon explain the experiments conducted ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

SIR WILLIAM THOMSON has endeavored to prove the recent age of the earth by three well-known arguments of a purely physical nature: The first is based on the age of the sun's heat; the second, on ...