Astronomy

  1. Artificial Intelligence

    Readers marvel at AI, space missions and wombat poop

    Readers had comments and questions about defining artificial intelligence, the New Horizons space mission and more.

    By
  2. Astronomy

    Ultima Thule is shaped like two lumpy pancakes

    Scientists are rethinking the shape of the space rock, once thought to be a snowman.

    By
  3. Astronomy

    A space rock collision may explain how this exoplanet was born

    Simulations suggest a planet roughly 2,000 light-years away formed when two space rocks collided, supporting the idea that such events are universal.

    By
  4. Space

    It’s time to start taking the search for E.T. seriously, astronomers say

    Astronomers are hoping to make looking for alien technology an official science goal of NASA.

    By
  5. Planetary Science

    Ring ripples reveal how long a day lasts on Saturn

    Clues in Saturn’s rings divulge the planet’s rotation rate: 10 hours, 33 minutes, 38 seconds.

    By
  6. Physics

    A new gravitational wave detector is almost ready to join the search

    Buried deep underground, Japan’s KAGRA detector relies on components cooled to just 20 degrees above absolute zero.

    By
  7. Astronomy

    The first suspected exomoon may remain hidden for another decade

    The discoverers of the first evidence for a moon orbiting a planet around a distant star are still trying to confirm the object’s existence.

    By
  8. Cosmology

    A cosmic flare called the ‘Cow’ may reveal a new way that stars die

    A burst of light from far away may have been an odd type of exploding star or a white dwarf being eaten by a black hole.

    By
  9. Astronomy

    Less than a year after launch, TESS is already finding bizarre worlds

    The TESS exoplanet hunter has spotted eight confirmed worlds in its first four months, and several of them are really weird.

    By
  10. Astronomy

    Known as the ‘mother of Hubble,’ astronomer Nancy Roman dies at 93

    Astronomer Nancy Roman, the “mother of Hubble,” has died.

    By
  11. Astronomy

    These are the most-read Science News stories of 2018

    From male birth control to wombat poop, Science News online readers had a wide variety of favorite stories on our website.

    By
  12. Astronomy

    50 years ago, astronauts orbited the moon for the first time

    Apollo 8 launched on December 21, 1968, with three astronauts on board, making 10 revolutions around the moon — the first manned lunar orbits.

    By