Physics
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SpaceIt 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.
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PhysicsCosmic 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.
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PhysicsExperiments on ‘entangled’ quantum particles won the physics Nobel Prize
Three pioneers in quantum physics share the 2022 Nobel Prize in physics.
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PhysicsLet’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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TechNo trees were harmed to 3-D print this piece of wood
How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.
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SpaceLet’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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Materials ScienceLaser light transformed plastic into tiny diamonds
The technique could be used to make nanodiamonds for quantum devices and other technology.
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PhysicsScientists Say: Force
When an object experiences a force, its change in motion — or acceleration — depends on its mass.
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TechScientists Say: LED
LEDs, or light-emitting diodes, light up TV screens, traffic lights and many other devices used in daily life.
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SpaceAmateur 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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Materials ScienceCool Jobs: Scientific glassblowers shape science
Glass has played a major role in research for centuries. Today’s artisans work at the forefront of discovery.
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TechThis leaping robot can out-jump anything — animal or machine
Such a bounding bot might someday help explore the moon.