A year ago, Caltech's spacecraft Space Solar Power Demonstrator (SSPD-1) was sent into space to test three new solar power technologies. This included testing how to send power wirelessly in space ...

Photosynthesis efficiently captures and converts sunlight into something usable — so why not steal a trick from nature for ...

Last year, a satellite built by Caltech engineers as part of the Space Solar Power Demonstrator mission beamed solar power from space for the first time. The mission, which concluded in January ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

Miller (Caltech/IPAC) It’s rare that 3 million years old would be considered young, but that’s the case for a recently discovered exoplanet. The study of planets outside our solar system ...

In January 2023, the California Institute of Technology launched a solar space-power demonstrator satellite into orbit for a yearlong mission to test out a range of potential approaches.