HS-ESS1-2

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. Physics

    Let’s learn about ‘ghost particles’

    Ghostly particles called neutrinos are so lightweight that for a long time, they were thought to have no mass at all.

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  2. Tech

    NASA’s DART spacecraft crashed into an asteroid — on purpose

    This mission could provide a blueprint for how to deflect a killer asteroid, if one is ever found headed for Earth.

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  3. Space

    Let’s learn about gravitational waves

    Gravitational waves offer scientists a new way to view extreme objects such as black holes and neutron stars.

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  4. Space

    My 10 years on Mars: NASA’s Curiosity rover describes its adventure

    Did life evolve on Mars? NASA’s Curiosity rover spent the last 10 years trying to answer that question. Here’s the story from the rover’s point of view.

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  5. Space

    Amateur astronomers reveal clues to a mysterious double aurora

    Stunning images from citizen scientists show an unusual pattern in ‘Northern Lights.’ They offer clues that may help astronomers better understand a curious red glow.

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  6. Physics

    Scientists used lasers to make ‘smoke rings’ of light

    Physicists had a bright idea: Make light into swirling, ring-shaped vortices, similar to smoke rings or bubble rings.

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  7. Planets

    Scientists Say: Habitable Zone

    The habitable zone is the region around a star where temperatures could be right for worlds to host liquid water.

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  8. Space

    A massive rogue roaming our galaxy may be a black hole

    Alternatively, this unseen wanderer might be a hefty neutron star. Whatever it is, its gravity caused starlight to be warped — and that gave it away.

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  9. Planets

    Noises sound totally different on Mars than on Earth. Here’s why

    The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.

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  10. Materials Science

    Let’s learn about diamond

    Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.

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  11. Space

    Ancient volcanoes may have left ice at the moon’s poles

    Volcanic eruptions billions of years ago may have produced several temporary atmospheres on the moon that held water vapor.

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  12. Planets

    The InSight lander has caught a large ‘earthquake’ on Mars

    This magnitude 5 quake is offering scientists a peek at what’s going on beneath the Martian surface.

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