Elon Musk, as a businessman, is primarily known for three of his many enterprises. One is X, formerly Twitter, nowadays ...

Cosmonauts opened the hatch to a Russian spacecraft on Monday for a second time after immediately closing it when they detected an odd smell coming from the vehicle over the weekend.

Russia’s new ballistic missile flies on a high arc out of Earth’s atmosphere and releases multiple high-speed projectiles, ...

Russia is continuing work to put its Sarmat intercontinental ballistic missile - part of its strategic nuclear arsenal - on combat duty, state news agency TASS said on Wednesday.

By Constant Méheut Tit-for-tat moves this week included the use of American-made ballistic missiles to strike inside Russia, and new nuclear threats from Moscow. Neither appear to have influenced ...

SpaceX plans to launch yet another batch of its Starlink internet satellites from Florida's Space Coast early Tuesday morning ...