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.
Feature Astronomy

The Star That Ate a Mars

Astronomers study white dwarf pollution for clues to extrasolar planet ingredients

By Charles Petit

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 Astronomy

  1. Australian Square Kilometre Array Pathfinder
    Space

    Half the universe’s ordinary matter was missing — and may have been found

    By Maria Temming
  2. Black hole ripping star apart illustration
    Physics

    A star shredded by a black hole may have spit out an extremely energetic neutrino

    By Emily Conover
  3. artist's illustration of a spiral galaxy called the Wolfe Disk
    Astronomy

    The oldest disk galaxy yet found formed more than 12 billion years ago

    By Lisa Grossman
  4. Leo P galaxy
    Space

    How tiny ‘dead’ galaxies get their groove back and make stars again

    By Ken Croswell
  5. Space

    The closest black hole to Earth may have been spotted 1,000 light-years away

    By Lisa Grossman
  6. Astronomy

    The sun is less magnetically active than similar stars, and we don’t know why

    By Lisa Grossman
  7. Harlow Shapley, Heber Curtis
    Astronomy

    A century ago, astronomy’s Great Debate foreshadowed today’s view of the universe

    By Tom Siegfried
  8. Astronomy

    High-speed gas collisions prevent star birth in galaxies’ bars

    By Ken Croswell

From the Nature Index

Paid Content