View of Mars created with data from Viking and the Mars Orbiter Laser Altimeter (MOLAi) aboard the Mars Global Surveyor

View of Mars created with data from Viking and the Mars Orbiter Laser Altimeter (MOLAi) aboard the Mars Global Surveyor

View of Mars created with data from Viking and the Mars Orbiter Laser Altimeter (MOLAi) aboard the Mars Global Surveyor

View of Mars created with data from Viking and the Mars Orbiter Laser Altimeter (MOLAi) aboard the Mars Global Surveyor.

NASA/GSFC/Scientific Visualization Studio

View of Mars created with data from Viking and the Mars Orbiter Laser Altimeter (MOLAi) aboard the Mars Global Surveyor
What did the Viking space probes find on Mars?
Learn about the revolution of Mars in relation to Earth
Learn about explorations of Mars, including spacecraft orbiting the planet and the Opportunity and Curiosity rovers traversing Mars's surface
first flight of Ingenuity helicopter on Mars
Learn about Phobos and Deimos, Mars's two tiny moons
Examine the speculation of the presence on Mars of life that originated on Earth and, alternatively, life on Earth that originated on Mars
View images captured by the Mars Reconnaissance Orbiter showing warm-season flows on a slope in Mars's Newton Crater suggesting evidence of salty liquid water on the planet.
Examine studies of the possibility of life on Mars