A cluster of recent theoretical papers has laid out mathematical frameworks for propelling spacecraft at speeds ranging from ...

Time travel has long been a staple of science fiction, captivating imaginations with the possibility of moving through time as easily as we travel through space. However, the question remains: how ...

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo ...

On August 21, 2025, a small but powerful space plane will once again head into orbit, carrying with it experiments that could redefine how humans travel through space. The X-37B, a reusable orbital ...

If there is a future where people regularly travel through space, what will they eat? Today’s astronaut food, although a novelty for those of us with our feet firmly planted on Earth, is not ...