Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, visit our Cookie Policy.
News Space

Mars’ history is a fluid situation

New analysis challenges watery, warm picture of planet's surface

By Nadia Drake

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Space

  1. Photos of the four largest moons of Jupiter
    Planetary Science

    Jupiter’s moons could keep each other warm by raising tidal waves

    By Lisa Grossman
  2. Jupiter clouds
    Space

    ‘Exotic’ lightning crackles across Jupiter’s cloud tops

    By Lisa Grossman
  3. Protest at Mauna Kea in 2019
    Astronomy

    50 years ago, Mauna Kea opened for astronomy. Controversy continues

    By Emily Conover
  4. illustration of the Big Rip
    Cosmology

    ‘The End of Everything’ explores the ways the universe could perish

    By Emily Conover
  5. Large solar flare
    Physics

    The physics of solar flares could help scientists predict imminent outbursts

    By Emily Conover
  6. photo of Perseverance launch
    Planetary Science

    The Perseverance rover caps off a month of Mars launches

    By Lisa Grossman
  7. Milky Way from the Antarctic Peninsula
    Space

    An Antarctic ice dome may offer the world’s clearest views of the night sky

    By Maria Temming
  8. scientists in the Nevada desert
    Space

    To rehearse Perseverance’s mission, scientists pretended to be a Mars rover

    By Lisa Grossman

From the Nature Index

Paid Content