subatomic particles

An artist's illustration depicts a primordial black hole (left) speeding past Mars, causing a slight "quake" in the orbit of Mars (right), with the Sun in the background. MIT scientists say such a quake may be detectable with today's instruments. Credit: Illustration by Benjamin Lehman, used with SpaceEngine @ Cosmographic Software LLC.

Dark matter: primordial black holes and the mysterious wobble of Mars' orbit

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These holes, which are theoretical remnants of the early universe, may be detectable every decade as they pass through the solar system, offering a new way to study the elusive dark matter
The galaxy cluster Abel 2744 or the Pandora cluster. The researchers looked at the galaxies behind it. Photograph of the Hubble Space Telescope

The first light in the universe

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James Webb Space Telescope observations of galaxies in the young universe revealed that the first light in space came from bright young stars
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