A pod of bottlenose dolphins seemingly took interest in the capsule that dropped out of the sky, circling and surfacing as ...

Now that Butch Wilmore and Suni Williams are home, ending a 9-month spaceflight, questions remain about the troubled ...

Mr. Irving is an investigative journalist who has covered aviation and aerospace for more than 30 years.

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds ...