No matter how many missions to Mars she takes part in, the sheer joy of unearthing discoveries about the red planet never gets old for Mariek Schmidt.

A pipe dream or a scam to enrich himself further? Here's why scientists are skeptical of Elon Musk's dream for humans to colonize Mars.

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

Each planet is imagined as a stand-up comic, bringing its unique traits to the stage. Mercury's quick wit, Venus's charm, ...

A Month of Bright Planets Venus blazes at its brightest for the year after sunset, then Mars and Jupiter to rule the night ...

NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

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

If the solar system had a corporate structure, Jupiter would be the CEO, while Saturn ensures rules are followed. Venus ...

The Moon and Jupiter will meet in the southwest sky at around 9.00pm GMT, where Jupiter will be shining bright to the left of ...

All eyes are on the Red Planet once again after a bizarre ‘square structure’ on the Martian surface caused a cosmic commotion ...

Here's when and how to watch the next full moon and February's rare planetary parade, starting with the shiny bright planet of Venus.

Cochranites are in for a treat this month, with six planets parading across the sky right now and a seventh joining later ...