A planetary parade is a colloquial term that applies when four or more planets line up in the night sky at once. Sky watchers ...

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

California is home to 11 otherworldly spots that defy explanation and leave visitors in awe. Ever wanted to visit Mars ...

We have long been inspired by the idea that life could reside on Mars – human or otherwise. But fiction is getting closer to ...