Launched in 1992, the Nathaniel B. Palmer is a 308-foot research ship that can operate all year round in Antarctic waters. It has a crew of 22 and can accommodate 45 scientists and technicians.

Will the next “giant leap for mankind” be made by the United States — or by our rivals? The answer may come as Congress ...

The NASA buyouts are being accepted by 4,000 employees frustrated by proposed budget cuts and ongoing leadership instability.