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 ...

Mars and Venus once had oceans and atmospheres, and if still habitable, humans could have colonized multiple planets and ...

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 ...