The 50-plus-year-old spacecraft was trapped in Earth orbit for decades. Now, it has likely fallen back home, according to the ...

My focus is human-interest stories ranging from ... scientists have found strong evidence of a "polar planet"—a planet whose orbit is tilted at 90 degrees compared to the orbit of its two ...

It was not immediately known how much, if any, of the half-ton spacecraft survived the fiery descent from orbit. Experts said ahead of time that some if not all of it might come crashing down ...