The countdown was perfect. Up from the launch pad of Cape Canaveral at 10:23 one morning last week roared a 90-ft., 52½-ton Thor-Able rocket, lifting cleanly into an overcast sky with steadily ...

On April 1, 1960, the U.S. launched its first weather satellite into orbit. The satellite was named TIROS-1, which is short for Television Infrared Observation Satellite. TIROS-1 launched on a ...

NASA's newest Earth-observing satellite has made it off the chopping block all the way to orbit. The nearly $1 billion PACE mission, which the Trump administration tried to cancel four separate times, ...

Streaking through space, out of the gravitational pull of man’s world, past the moon, toward an orbit around the sun last week went the most breathtaking new object of the century. It was the first ...