The main benefit of an interstellar mission is to carry out in-situ measurements within a target star system. To allow for extended in-situ measurements, the spacecraft needs to be decelerated. One of ...

How do we extract energy from space around a spacecraft? If there are differences in the speed of the solar wind or differences in flows of particles around a spacecraft or where a spacecraft is ...

Our nearest stellar neighbor, Alpha Centauri, is just four light-years from Earth, and while that's pretty close in the grand scheme of things, we can't just pop over to borrow some milk. With our ...

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

Imagine a place like our solar system. A place with a ‘central’ star orbited by planets but light years away. There might be a planet there with water and living organisms. Now imagine if you could ...

On Tuesday, a group of private space enthusiasts will launch a new kind of spaceship, pushed along by eight giant sails fueled by light particles. Because such craft don't need to carry fuel, backers ...

We’ve found quite a few planets in our galactic neighborhood that look like they might be habitable. But if these worlds don’t have any life, should we seed them with life from our own planet? The ...