It's well established that Mars used to be a wet world covered in oceans, and in recent years, astronomers have uncovered not just icy remnants of this period, but entire reservoirs of liquid water ...

There will be four visible planets in the evening sky tonight – Mars, Jupiter, Venus and Mercury. Venus and Mercury could be visible about 40 minutes after sunset, close to the western horizon.

Mars is easily identifiable in the night sky by its prominent red hue. Scientists know that the planet's colouring is due to rusted iron minerals that have been studied by a fleet of spacecraft ...

Bell (Cornell University), and M. Wolff (Space Science Institute, Boulder)/Unsplash NASA's Hubble Space Telescope took this close-up of the red planet Mars when it was just 55 million miles away If ...

Despite the fact that scientists have now sent more spacecraft to Mars than any other extraterrestrial planet, the world contains much more to learn—even regarding its most iconic feature.

Through out January and February six planets – Venus, Mars, Jupiter, Saturn, Uranus and Neptune – have been visible in the night sky. During just one night – 28 February – they will be ...

The full disc of Mars is seen with the polar ice caps slightly off-center to the top left and bottom right. Clouds wrap around the planet’s curved horizons. Dark surface markings are clearly ...

Skywatchers are in for a treat this week as seven planets - Mars, Jupiter, Uranus, Venus, Neptune, Mercury, and Saturn will all be briefly visible in the evening sky. This phenomenon, known as a ...

The full disc of Mars is seen with the polar ice caps slightly off centre to the top left and bottom right. Clouds wrap around the planet’s curved horizons. Dark surface markings are clearly seen ...

This "Tharsis bulge" caused the planet's surface to rise, altering Mars' rotation around four billion years ago. "Because the spin axis of Mars has changed, the shape of Mars has changed. And so what ...