Livescience Livescience
Sign in
  • View Profile
  • Sign out
  • Animals
    • Aquatic Animals
      • Fish
      • Sharks
      • Mollusks
      • Octopuses
      • Squids
    • Reptiles, Amphibians, Insects & Arachnids
      • Reptiles
      • Snakes
      • Turtles & Tortoises
      • Lizards
      • Amphibians
      • Alligators & Crocodiles
      • Spiders & Other Arachnids
      • Insects
    • Mammals
      • Bears
      • Cats
      • Dogs
      • Elephants
      • Primates
      • Dolphins
      • Orcas
      • Whales
    • Birds
    • Extinct Species
      • Dinosaurs
      • Mammoths
  • Archaeology
    • Human Evolution
      • Neanderthals
    • Regions
      • The Americas
      • Ancient China
      • Middle East
    • Cultures
      • Romans
      • Vikings
      • Ancient Egyptians
  • Health
    • The Human Body
      • Aging
      • Allergies
      • Anatomy
      • Exercise
      • Food & Drink
      • Genetics
      • Heart & Circulation
      • Immune System
      • Medicine & Drugs
      • Neuroscience
      • Reproductive Health
      • Sex
      • Sleep
      • Surgery
    • Viruses, Infections & Disease
      • Alzheimers & Dementia
      • Bacterial & Fungal Infections
      • Cancer
      • Coronavirus
      • Flu
      • HIV
    • Human Behavior
      • Arts & Entertainment
      • Conspiracies & Paranormal
      • Education
      • Psychology
    • Mathematics
    • Particle Physics
    • Quantum Physics
    • Chemistry
  • Planet Earth
    • Earth Science
      • Earthquakes
      • Volcanoes
      • Weather
      • Geology
    • Climate Change
      • Fossil Fuels
      • Nuclear Energy
      • Renewable Energy
      • Antarctica
      • Arctic
    • Nature
      • Plants
      • Rivers & Oceans
      • Evolution
  • Space
    • Astronomy
      • Asteroids
      • Black Holes
      • Comets
      • Cosmology
      • Meteoroids
      • Exoplanets
    • The Solar System
      • Mercury
      • Venus
      • Mars
      • Jupiter
      • Saturn
      • Uranus
      • The Moon
      • The Sun
      • Pluto
    • Space Exploration
      • Extraterrestrial Life
      • Stargazing
      • NASA
      • Space Photo Of The Week
  • Technology
    • Artificial Intelligence
    • Communications
    • Computing
    • Mixed Reality
    • Quantum Computing
    • Electric Vehicles
    • Engineering
    • Electronic Engineering
    • Robotics
    • Products
      • Health & Fitness
      • Optics
      • STEM Toys & Games
      • Tech & Gadgets
    • By Type
      • News
      • Features
      • Opinion
    • More
      • About us
      • Newsletters
      • Follow us
      • Archive
  • home
  • Animals
    • View Animals
    • Aquatic Animals
      • View Aquatic Animals
      • Fish
      • Sharks
      • Mollusks
      • Octopuses
      • Squids
      • Reptiles
      • Snakes
      • Turtles & Tortoises
      • Lizards
      • Amphibians
      • Alligators & Crocodiles
      • Spiders & Other Arachnids
      • Insects
      • Bears
      • Cats
      • Dogs
      • Elephants
      • Primates
      • Dolphins
      • Orcas
      • Whales
    • Birds
    • Extinct Species
      • View Extinct Species
      • Dinosaurs
      • Mammoths
  • Archaeology
    • View Archaeology
    • Human Evolution
      • View Human Evolution
      • Neanderthals
      • The Americas
      • Ancient China
      • Middle East
      • Romans
      • Vikings
      • Ancient Egyptians
  • Health
    • View Health
      • Aging
      • Allergies
      • Anatomy
      • Exercise
      • Food & Drink
      • Genetics
      • Heart & Circulation
      • Immune System
      • Medicine & Drugs
      • Neuroscience
      • Reproductive Health
      • Sex
      • Sleep
      • Surgery
      • Alzheimers & Dementia
      • Bacterial & Fungal Infections
      • Cancer
      • Coronavirus
      • Flu
      • HIV
    • Human Behavior
      • View Human Behavior
      • Arts & Entertainment
      • Conspiracies & Paranormal
      • Education
      • Psychology
    • Mathematics
    • Particle Physics
    • Quantum Physics
    • Chemistry
  • Planet Earth
    • View Planet Earth
      • Earthquakes
      • Volcanoes
      • Weather
      • Geology
    • Climate Change
      • View Climate Change
      • Fossil Fuels
      • Nuclear Energy
      • Renewable Energy
      • Antarctica
      • Arctic
      • Plants
      • Rivers & Oceans
      • Evolution
  • Space
    • View Space
    • Astronomy
      • View Astronomy
      • Asteroids
      • Black Holes
      • Comets
      • Cosmology
      • Meteoroids
      • Exoplanets
    • The Solar System
      • View The Solar System
      • Mercury
      • Venus
      • Mars
      • Jupiter
      • Saturn
      • Uranus
      • The Moon
      • The Sun
      • Pluto
    • Space Exploration
      • View Space Exploration
      • Extraterrestrial Life
      • Stargazing
      • NASA
      • Space Photo Of The Week
  • Technology
    • View Technology
    • Artificial Intelligence
    • Communications
    • Computing
    • Mixed Reality
    • Quantum Computing
    • Electric Vehicles
    • Engineering
    • Electronic Engineering
    • Robotics
    • Products
      • View Products
      • Health & Fitness
      • Optics
      • STEM Toys & Games
      • Tech & Gadgets
      • News
      • Features
      • Opinion
      • About us
      • Newsletters
      • Follow us
      • Archive
  • Sign up for our newsletters Newsletter
  • RSS
    Trending
    • Hantavirus cruise LIVE
    • David Attenborough
    • James Webb Space Telescope photos
    • Artemis II photos
    • Crypto parasite

    When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

    Nancy Atkinson

    Seeker
    Cosmic knots in the Big Bang
    Why Does Our Universe Have 3 Dimensions?

    Physicists have a new scenario of the universe's expansion at the Big Bang that may explain why our universe has three large spatial dimensions.

    • A single frame Rosetta navigation camera image of Comet 67P/Churyumov-Gerasimenko.
      Comet 67P Produces Its Own Oxygen in Deep Space

      The finding shows that oxygen can be generated in space without the need for life, and could influence how researchers search for signs of life on exoplanets.

      By Nancy Atkinson Published 15 May 17

    • Dark matter filaments bridge the space between galaxies in this false color map. The locations of bright galaxies are shown by the white regions and the presence of a dark matter filament bridging the galaxies is shown in red.
      Captured: First 'Image' of the Dark Matter That Holds Universe Together

      Researchers have produced what they say is the first composite image of a dark matter filament that connects galaxies across the cosmos.

      By Nancy Atkinson Published 18 April 17

    • Black holes colliding
      The Mystery of How Black Holes Collide and Merge Is Beginning to Unravel

      A new study pursues a kind of “paleontology” for gravitational waves in an attempt to explain how and why black holes collide and merge.

      By Nancy Atkinson Published 8 April 17

    Useful links
    Feed your curiosity
    • Life's Little Mysteries
    • Earth from space
    • Diagnostic dilemmas
    • Astonishing artifacts
    Grow your knowledge
    • Jaw-dropping James Webb Space Telescope images
    • Amazing women in science and math
    • Explore the periodic table of elements
    • Uncanny facial reconstructions from history
    Science in your life
    • Science quizzes and games
    • Beginner's guide to wildlife photography
    • The best telescopes for spotting stars and planets
    • Mind-blowing science facts
    Ls Logo

    Live Science is part of Future US Inc, an international media group and leading digital publisher. Visit our corporate site.

    Add as a preferred source on Google Add as a preferred source on Google
    • Accessibility Statement
    • Contact Future's experts
    • About Us
    • Terms and conditions
    • Privacy policy
    • Cookies policy
    • Advertise with us
    • Web notifications
    • Careers
    • Editorial standards
    • How to pitch a story to us

    © Future US, Inc. Full 7th Floor, 130 West 42nd Street, New York, NY 10036.

    Please login or signup to comment

    Please wait...