Grunsfeld, a former NASA astronaut who has served as both the agency's chief scientist and science division leader, helped ...

Flags of the Alliance members flap in the wind prior to a defence ministers meeting at NATO headquarters in Brussels, 10 ...

A University of Colorado Boulder research center focused on studying Earth life in space marked its 100th launch into orbit ...

Dover native Drew Hallett helped broadcast the Blue Origins space flight, saying he was next to Katy Perry and Gayle King after they landed.

Astrophotographer Ron Brecher has captured a stunning deep sky image of the spiral galaxy M106, located 23.5 million light ...