‘Extremely rare’ fossilized anus discovered after 300-million-years
It’s a tail as old as time. Scientists may have discovered the world’s oldest butthole after unearthing the…
Oxygen metabolism in descendants of the archaeal-eukaryotic ancestor
Vosseberg, J. et al. The emerging view on the origin and early evolution of eukaryotic cells. Nature 633,…
Extinct Hawaiian Ibis Had Unusually Small Eyes and Limited Visual Capacity, Study Says
Apteribis, an extinct species of ibis that once inhabited the Hawaiian Islands, occupied a niche similar to that…
What were the first animals? The fierce sponge–jelly battle that just won’t end
Which animals came first? For more than a century, most evidence suggested that sponges, immobile filter-feeders that lack…
Biomechanical limits of hopping in the hindlimbs of giant extinct kangaroos
Specimens All species included in this study were macropodiforms; the bone measurement dataset encompassed all extant families and…
2-million-year-old skeleton reveals ape-like features in early humans
A groundbreaking study published in The Anatomical has challenged previous assumptions about human evolution. Scientists once believed that…
Will mpox go global again? Research shows it’s evolving in curious ways
Mpox virus particles (purple) seem to be spreading more easily between people.Credit: NIAID/SPL As mpox continues to spark…
Scientists Put Human Gut Bacteria Into Mice and Found Their Brains Showed Primate-like Activity
Credit: ZME Science/Midjourney. The human brain is a greedy organ. It gulps energy, demands constant upkeep, and somehow…
Jellyfish sleep like humans — even though they don’t have brains
The upside-down jellyfish Cassiopea andromeda sleeps for roughly 8 hours a day.Credit: Shahar Shabtai/Alamy Neither jellyfish nor sea…
New Study Supports Sahelanthropus as the Earliest Hominin
For all the attention devoted to human evolution, we still don’t know who our direct ancestors were, let…