Loren Grush

Rocket Lab Corp. shares fell after it signaled a potential new delay with its Neutron rocket, raising the prospect that the vehicle meant to challenge SpaceX’s dominant Falcon 9 rocket won’t fly until 2027.

Virgin Galactic Holdings Inc. is delaying the debut of its Delta-class spaceplane, pushing the first expected full-power flight of the upgraded tourism vehicle until February of 2027.

NASA’s risky mission to save a falling space telescope has failed, bringing an end to an experimental project aimed at demonstrating a new way to extend the lifespan of spacecraft in orbit.

SpaceX plans to build a new $100 billion launch site for its Starship rocket on the southern coast of Louisiana, allowing the company to expand operations of the behemoth vehicle that’s critical to its future.

SpaceX plans to build a new $100 billion launch site for its Starship rocket on the southern coast of Louisiana, allowing the company to expand operations of the behemoth vehicle that's critical to its future.

SpaceX plans to build a new $100 billion launch site for its Starship rocket on the southern coast of Louisiana, allowing the company to expand operations of the behemoth vehicle that's critical to its future.

NASA 's $4.3 billion telescope is poised to launch to space on Sunday, marking the beginning of a five- to 10-year mission designed to observe the universe's most exotic phenomena.

NASA’s $4.3 billion telescope is poised to launch to space on Sunday, marking the beginning of a five- to 10-year mission designed to observe the universe’s most exotic phenomena.

NASA’s $4.3 billion telescope launched to space on Sunday, marking the beginning of a five- to 10-year mission designed to observe the universe’s most exotic phenomena.

Elon Musk faces a strategic dilemma between launching cash-generating satellites and sending humans into deep space — with an uncertain payoff.