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Quanta of light called photons are the smallest possible packets of electromagnetic energy. Learn the history behind how scientists came to understand photons — and what these particles have shown us (and might show us) they can do.
Scientists in Latin America recently published the first coordinated plan for the region’s research in high-energy physics, astrophysics and cosmology. Fermilab scientist Marcela Carena was part of the group that collected input for the report. Here, she weighs in its significance.
Planning the next big science machine requires consideration of both the current landscape and the distant future.
The minuscule and the immense can reveal quite a bit about each other.
Detectors long used to look at the cosmos are now part of X-ray experiments here on Earth.
A new project pairs volunteers and machine learning to sort through data from LIGO.
How do scientists know what percentages of the universe are made up of dark matter and dark energy? Cosmologist Risa Wechsler of the Kavli Institute for Particle Astrophysics and Cosmology explains. Watch the 3-minute video.