NASA is working on a lithium-plasma electric thruster that uses roughly 90% less fuel than chemical rockets. Can this new ...

NASA scientists were stunned when a strange radio signal from the Sun refused to fade away. Instead of lasting a few hours or ...

SpaceX launched its biggest, most powerful Starship yet on a test flight Friday, an upgraded version that NASA is counting on ...

SpaceX successfully launched an updated version of its Starship on Friday evening, meeting all goals the company said it was aiming for.

The most powerful rocket in history just roared off its launch pad in a spectacular show of power and technology. SpaceX ...

The Pentagon on Friday released a new batch of 64 files related to UFOs, unveiling a second tranche of records under an ...

An artistic visualization of ocean currents from NASA has people mesmerized learning about our planet's underwater highways.

SpaceX will provide a livestream of the first Starship rocket launch of 2026. Here's how to watch the mission, known as ...

The recording includes astronauts from the Apollo 12 mission describing unusual flashes they saw even though their eyes were ...

SpaceX will make a second attempt to launch its new Starship V3 megarocket today at 6:30 p.m. EDT (2230 GMT) during a ...

The Pentagon released its latest batch of UFO files on Friday — including audio of the Apollo 12 crew describing how they ...

If a night under the stars sounds like your ideal Memorial Day weekend plan, this could be a better holiday than usual ...