Earth's Place in the Universe

  1. Space

    Ingenuity helicopter makes history by flying on Mars

    The copter's 40-second-long flight in the Red Planet’s thin air is only the first in a planned series of daring flights.

    By
  2. Planets

    Signs of a hidden Planet Nine in our solar system may be an illusion

    Hints of the remote planet, also called Planet X, relied on clumped up orbits of bodies beyond Neptune. A new study suggests that clumping doesn’t exist.

    By
  3. Planets

    Let’s learn about the moon

    The moon is Earth’s nearest neighbor, and its gravity helps stabilize the planet’s climate and creates the tides.

    By
  4. Planets

    Scientists Say: Planet

    Planets have to orbit a star, be big enough to form a sphere and keep other objects out of their path around their star.

    By
  5. Chemistry

    Extreme pressure? Diamonds can take it

    Diamond retains its structure even at extreme pressures, which could reveal how carbon behaves in the cores of some exoplanets.

    By
  6. Space

    Exploding neutron star proves to be energy standout of the cosmos

    This is what scientists had suspected. But until one showed up outside our galaxy, they couldn’t be sure. Now they are.

    By
  7. Space

    Our feverish universe is getting hotter every day

    For the first time, astronomers have taken the temperature of the cosmos at different times in its history. Galaxy clusters are cranking up the heat.

    By
  8. Planets

    Rogue planets wander the galaxy all alone

    Some planets don’t orbit stars. They were kicked into space long ago. The newest, smallest one found is only about as massive as Earth.

    By
  9. Math

    Meet ‘Pi’ — a new Earth-sized planet

    Searching through data from NASA’s K2 Mission, researchers found a new planet. Some call it K2-315b, others smile and refer to it as “Pi Earth.”

    By
  10. Planets

    Jupiter may have ‘sprites’ or ‘elves’ in its atmosphere

    This is the first time that scientists have seen hints of these weird side effects of lightning storms somewhere other than on Earth.

    By
  11. Planets

    There’s water on sunny parts of the moon, scientists confirm

    The new observations were made by a telescope on board a jet in Earth’s atmosphere. They confirm the presence of water on sunlit areas of the moon.

    By
  12. Planets

    Let’s learn about Mars

    Traveling to Mars offers many challenges, including life without gravity, cosmic rays and communication delays.

    By