Dark matter’s secret force does the opposite of what scientists expected

Dark matter particles may exert a hidden force on one another, but its effects are stranger than expected. An extra attraction helps the particles cluster, yet it also makes dark matter effectively lighter as the Universe expands.

Scientific signal separates durable discovery from noise — and often foreshadows policy and product.

ScienceDaily reported on this under science. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.