Flight controllers initiated the first of four maneuvers Thursday needed to change New Horizons’ trajectory toward an object elsewhere in the Kuiper Belt.

Continue reading

Thirty years ago, "Back to the Future 2" took Doc Brown and Marty McFly on a trip through time to ... today. That is, Oct. 21, 2015. In a new video message released today, Doc, played by Christopher Lloyd, welcomes…

Continue reading

A new photobiography details Sally Ride's childhood, her early struggles with stardom and the scientific zeal of America's first woman in space.

Continue reading

The Martian author Andy Weir and the NASA director of planetary science discuss the movie, Mars weather and where else people might one day live in our solar system.

Continue reading

NASA has found evidence of liquid water on Mars. Science correspondent Miles O’Brien joins Judy Woodruff to discuss the inevitable question: does this mean there could be some form of life on the red planet?…

Continue watching

NASA solves part of the mystery about water on Mars…

Continue reading

Last night, skygazers enjoyed a celestial treat: a total eclipse of a supermoon -- a moon at its closest point to Earth in its orbit. The ruddy orb appeared larger than usual in the nighttime sky.

Continue reading

Sunday night, the sun, earth and a full moon will be in a straight line, making the moon, which is in its closing point of orbit, appear much brighter than usual. This phenomenon, referred to as "supermoon" total lunar eclipse,…

Continue watching

Just in time for the supermoon lunar eclipse, here are eight things you may not have known about the moon.

Continue reading

On Sunday evening, starting around 8:45pm there will be a full eclipse of the moon right when it is at the perigee of its orbit, the point closest to the Earth. This will lead to what is being called a…

Continue reading