Suzanne K. Mast
NASA gave media a chance to see its latest Mars rover from inside a "clean room" prior to the rover's shipment to Cape Canaveral in February.
Meet the NASA astronaut who just broke the record for the longest single spaceflight by a woman, with an expected total of 328 days in space.
The Titanic is an important historical artifact. Under an agreement that has now come into force, the wreck site will be protected and secured.
NASA will soon begin final assembly on an experimental aircraft called X-59 QueSST that promises to produce a quieter sonic boom.
Each year, millions of Americans volunteer in their communities to help those who are less fortunate celebrate the holidays.