HS-ESS1-6
Apply scientific reasoning and evidence from ancient Earth materials, meteorites, and other planetary surfaces to construct an account of Earth's formation and early history.
- Space
It all started with the Big Bang — and then what happened?
Scientists explain what really puzzles them about how our universe became what it is today — and what its future may hold.
- Physics
Cosmic timeline: What’s happened since the Big Bang
Energy, mass and the cosmos' structure evolved a lot over the past 13.82 billion years — much of it within just the first second.
- 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.
- Earth
Not one, but two asteroids might have ended the age of dinosaurs
A craterlike structure found off the coast of West Africa might have been formed by an asteroid that struck around the time dinosaurs went extinct.
- 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.
- 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.
- Materials Science
Let’s learn about diamond
Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.
- 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.
- 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.
- Earth
Tiny gemstones show when Earth’s crust first started moving
Chemical hints observed in zircons suggest when the important process of plate tectonics first took off.
- Planets
Mercury’s surface may be studded with diamonds
Billions of years of meteorite impacts may have transformed much of Mercury's graphite crust into precious gemstones.
- Planets
Let’s learn about Pluto
Once known as a pipsqueak planet, Pluto is now the solar system’s best known dwarf planet.
