Amanda Solliday

An illustration of lots of yellow dots on a light pink background. Some have rainbows or smiley faces on them. One has lines coming out it that make it look star-like. One dot is shiny and red. In the center, there is a white dot. Some glare appears to emanate from the white dot.

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.

LGBT+ scientists offer advice for promoting inclusivity in a guide written for the physics and astronomy community.

Planning the next big science machine requires consideration of both the current landscape and the distant future.

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.