By Frank Jordans DARMSTADT, Germany — Hundreds of millions of miles from Earth, a speeding European spacecraft released a lander toward the icy, dusty surface of a comet on Wednesday, setting off a seven-hour countdown to an audacious attempt to […]
By Frank Jordans DARMSTADT, Germany — Hundreds of millions of miles from Earth, a speeding European spacecraft released a lander toward the icy, dusty surface of a comet on Wednesday, setting off a seven-hour countdown to an audacious attempt to […]