Late last year, Jupiter and Saturn treated skywatchers to a once-in-a-lifetime "great conjunction," when they were closer in the night sky than they had been since medieval times. And in January, our ...

Mars and Venus, those seemingly contrasting planets of self-help book fame, have more in common than you might think. Two nearly identical spacecraft around Mars and Venus have compared the two worlds ...

The dream of living on another planet has intrigued scientists, engineers, and explorers for a long time. Now, the dream is ...

Using two ESA spacecraft, planetary scientists are watching the atmospheres of Mars and Venus being stripped away into space. The simultaneous observations by Mars Express and Venus Express give ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Is there anything more beautiful than the sight of two ...

A crewed mission to Mars is still many years out — if not decades. But as rocket technology makes massive strides, scientists are starting to wonder what the best way to get there could be. And one ...

As if this week wasn’t exciting enough with our dynamic and powerful full moon in Aries, we also have Mars and Venus adding more fuel to our passion-filled fires. Think of Mars and Venus as the ...

As stargazers spend the late hours of the night watching the Lyrid meteor shower this week, those who are up in the early mornings will have the chance to capture another phenomenon: Four planets in ...