Construct an explanation of the Big Bang theory based on astronomical evidence of light spectra, motion of distant galaxies, and composition of matter in the universe.

  1. Space

    Baby star

    Astronomers have observed the earliest twinkles ever picked up from a newborn star.

  2. Planets

    A very distant planet says “cheese”

    A small red spot may be the first picture ever taken of a planet outside the solar system.

  3. Space

    Searching for alien life

    A robot rover practices looking for alien life by trekking across the world's driest desert.

  4. Space

    Burst busters

    A powerful type of explosion in outer space is much more common, but not always as powerful, as astronomers had thought.

  5. Planets

    Catching a Comet’s Tail

    A closeup visit by a NASA spacecraft helps show how a comet gets its shape.

  6. Planets

    A planet from the early universe

    Astronomers have found the oldest and most distant planet known in the universe.

  7. Space

    A galaxy far, far, far away

    Astronomers have glimpsed some of the most distant galaxies yet found.

  8. Space

    Black holes that burp

    Some black holes in outer space may actually spit out as much material as they suck in.