Learn how a 2.6-million-year-old Paranthropus jaw from Ethiopia’s Afar region is reshaping scientists’ understanding of early human evolution and competition with Homo.
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Sperm May Hit a Hidden, Middle-Age RNA Drop-Off — What’s the Generational Impact?
Learn more about the DNA and RNA that sperm carry and how they may suddenly change during midlife.
Spaghetti-Shaped Parasite in Ancient Canids Reveals the Unusual Origins of Heartworm
Learn how heartworm disease became widespread in dogs, reflecting an evolutionary history that spans back to ancient times.
Both Female and Male Beluga Whales Take Many Mates, and It May Protect Their Genes
Learn how long-term mate switching helps a small beluga whale population maintain genetic diversity.
This Cow’s Multi-Purpose Tool Use Challenges Assumptions About Animal Intelligence
Learn how researchers tested a cow’s behavior and what her tool use reveals about animal intelligence.
Black Hole Reawakens Like a Cosmic Volcano After 100 Million Years of Sleep
Learn about J1007+3540, a black hole that has recently come back to life and is described as a “cosmic volcano.”
The Quiet Battle in Your Nose That Can Stop a Cold Before It Starts
Learn how the body’s earliest immune defenses can stop a common cold before symptoms appear.
The Earliest-Known Astronomical Observatory in the Americas May Offer New Insights
Learn more about the Chankillo site, an ancient astronomical observatory that may offer new insights into how our ancestors observed the skies.
People Are Sometimes Born With a Tail — A Rare Genetic Change May Explain Why Humans Lost Them
Learn more about the gene linked to the evolutionary loss of human tails, and how, in rare cases, some people are still born with them.
About 15,000 Satellites Are Circling Earth — And They’re Disrupting the Sky
Learn more about the number of satellites circling Earth and the multiple ways they are changing the sky.