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Mars

Mars

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
  • Encyclopædia Britannica, Inc.
    Axolotls are kind of the Peter Pan of salamanders.
    Media Editor: Lauren Sims
    What is So Unique About the Axolotl?
    Axolotl wearing a green paper hat in the style of Peter Pan, with speech bubble reading “I'll never grow up!”
  • Encyclopædia Britannica, Inc.
    Protecting against natural disasters requires a multipronged approach.
    Can We Predict Natural Disasters?
    Can We Predict Natural Disasters?
  • Encyclopædia Britannica, Inc.
    All wild axolotls live in the same small lake, and some of the qualities of this unique ecological context have allowed them to remain in their juvenile stage throughout their lives.
    Media Editor: Lee Goldstein
    The Tiny Habitat of the Endangered Axolotl
    Britannica editor John Rafferty holds a microphone in front of an illustrated background showing two axolotls and the headline Ask an Editor: Are axolotls real?
  • Encyclopædia Britannica, Inc.
    Overview of the challenges of human exploration of Mars.
    preparing for life on Mars
    preparing for life on Mars
  • Encyclopædia Britannica, Inc.
    Are there signs of life on the Red Planet?
    What Did the Viking Space Probes Find on Mars?
    What Did the Viking Space Probes Find on Mars?
  • JPL/NASA
    Learn how long a year is on Mars.
    Martian year
    Martian year
  • Encyclopædia Britannica, Inc.
    Let's go on a planetary parade.
    Media Editor: Lauren Sims
    When Was the Last Time All the Planets Aligned?
    A white man in glasses holds a microphone under the text. Ask an Editor, and. What is planetary alignment?, against a starry space background.
Related Articles: Mars , Mars Global Surveyor , Viking
NASA’s Perseverance confirms a key ingredient for life hidden in ancient Mars rocks • Nov. 12, 2026, 6:38 AM ET (Science Daily)
Comets may have destroyed life's ingredients instead of delivering them to Earth • Nov. 10, 2026, 4:03 AM ET (Science Daily)
NASA’s CHAPEA Mars crew finally emerges after more than a year in isolation • Nov. 10, 2026, 12:02 AM ET (Science Daily)
Jupiter and Mars are set for a breathtaking close approach later this week: Here's how to see it • Nov. 9, 2026, 5:00 PM ET (Space)
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