NASA has plans for a giant leap in its method of space travel, beginning with a nuclear-powered mission to Mars that's ...

If an alien in the Alpha Centauri star system were craving pizza, it would take tens of thousands of years to deliver it ...

A team of Texas A&M engineering students are working on a technology called optical propulsion, which could cut travel time ...

NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft. It is an attempt to rewrite the basic rules of how far, how fast, and how ...

After nearly two years on pause, Virgin Galactic is selling tickets again. The catch is the price. A seat now costs $750,000. That number is not a typo. It is also a sharp increase from the company's ...

A new concept suggests SpaceX’s Starship could revolutionize a future mission to Uranus, one of the solar system’s most overlooked planets. By refueling in orbit and helping slow the spacecraft on ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...