Continuing the Artemis program and using its planned lunar space station as a staging post would be a more energy efficient ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Sometimes, the best innovative ideas come from synthesizing two previous ones. We've reported before on the idea of having a ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.