Discover science
What Is the Higgs Boson?
The Higgs boson is the quantum excitation of the Higgs field, a field that fills space and is central to how elementary particles acquire mass in the Standard Model.
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Articles & explainers
40,619 published items in this category and its subcategories.
Discover science
What Is the Standard Model of Particle Physics?
The Standard Model is the quantum theory that describes known elementary particles and the electromagnetic, weak and strong interactions among them, but it does not incl…
Discover science
What Is Particle Physics?
Particle physics studies the fundamental constituents of matter and radiation, the forces that act between them, and the high-energy processes that reveal how nature wor…
Space science
NASA Artemis: Missions to the Moon Explained
Artemis is NASA’s campaign to build a sustained human exploration capability around and on the Moon, using Orion, the Space Launch System, commercial lunar landers, surf…
Space science
What Can Exoplanet Atmospheres Tell Us?
Exoplanet atmospheres can reveal molecules, temperatures, clouds, circulation and clues to a planet’s formation, climate and possible habitability by imprinting chemical…
Space science
What Is the Nearest Exoplanet to Earth?
Proxima Centauri b is the nearest confirmed exoplanet to Earth known today, orbiting Proxima Centauri a little more than four light-years from our solar system.
Space science
What Makes an Exoplanet Potentially Habitable?
A potentially habitable exoplanet is a world where known conditions could allow environments suitable for life as we understand it; being in a star’s habitable zone is o…
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What Is the Uncertainty Principle?
The uncertainty principle is a quantum-mechanical limit on how sharply certain pairs of properties, such as position and momentum, can be defined together in the same st…
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What Is Wave-Particle Duality?
Wave-particle duality describes how quantum objects such as photons and electrons can produce wave-like interference in some experiments while being detected as discrete…
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What Is Quantum Entanglement?
Quantum entanglement is a relationship between quantum systems in which their joint state cannot be described as independent states for each part, producing correlations…
Space science
Water on the Moon and Why the Lunar South Pole Matters
Water exists on the Moon in more than one setting, but permanently shadowed regions near the lunar poles are especially important for science and exploration.
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What Is Quantum Physics?
Quantum physics describes matter and energy at atomic and subatomic scales, where probabilities, quantization, superposition, and wave behavior become essential.
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What Are Quarks?
Quarks are elementary particles that carry electric and color charge. They bind through the strong interaction to form hadrons such as protons and neutrons.
Discover science
What Are Neutrinos?
Neutrinos are electrically neutral elementary particles with extremely small masses that interact through the weak force and gravity.
Biology
What Are Neurons and How Do They Work?
Neurons are electrically excitable cells that receive, process, and transmit information through electrical signals and chemical communication at synapses.