Feb 18, 2026 · Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.

In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact (Mars 2) and first …

4 days ago · Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. There are …

Feb 16, 2026 · Mars is the fourth planet from the Sun and the seventh largest planet in the Solar System. With evidence suggesting that it once had flowing water, Mars holds many secrets waiting to …

Venus co-orbital asteroids: Imagine a fleet of space rocks silently trailing—or even leading—Venus in its orbit, hidden in the Sun’s

Scientists are uncovering how Mars transformed into the cold, dry desert world it is today. We explore Mars to understand the planet's history and look for evidence of past or even present life. Is there life …

Feb 17, 2026 · Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

Jan 19, 2026 · Mars – the fourth planet from the Sun – is a dusty, cold, desert world with a very thin atmosphere. This dynamic planet has seasons, polar ice caps, extinct volcanoes, canyons and weather.

May 16, 2022 · Orbiting the sun at a distance of 141.6 million miles (210-million kilometres), Mars is the fourth planet from the sun. With a diameter of 4,228 miles (6,804 kilometres), Mars is the second …

Feb 3, 2026 · For more than 60 years, NASA has pursued answers to one of the biggest questions in science: Was — or is — Mars a habitable world? The key to understanding the past, present, or …