
Physics
Scientists Say: Radio Waves
Lightning, stars, supermassive black holes and more give off radio waves.
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Lightning, stars, supermassive black holes and more give off radio waves.
Seismology is the branch of science focused on seismic waves — vibrations that run through or around Earth.
Energy, mass and the cosmos' structure evolved a lot over the past 13.82 billion years — much of it within just the first second.
Tracking these subatomic particles can uncover surprising hidden structures.
Eyelash-like radio filaments accent the brightest feature in this image — a supermassive black hole.
Different kinds of telescopes on Earth and in space help us to see all wavelengths of light. Some can even peer billions of years back in time.
Baby ducks save energy by surfing their mother’s waves, but only if they do it in an orderly line.
Scientists and engineers are trying to add touch to online shopping, virtual doctor appointments and artificial limbs.
More precise clocks could improve technologies such as GPS and help scientists test major ideas in science.
Hundreds of newly detected gamma rays hint at environments in the cosmos that accelerate particles to energy extremes.