Ghost hominins haunt our DNA
Researchers built a new computer program that can spot extinct ancestors in human DNA. They found that every person carries genes from at…
Category: Paleobiology
Are Martian organics remnants of ancient life?
Scientists found that organic molecules in Jezero Crater on Mars are similar to both biological and non-biological organic matter on Earth.
Are horseshoe crabs truly “living fossils”?
Scientists discovered a 445-million-year-old horseshoe crab fossil showing that these animals have maintained the same reproductive system…
What colors were prehistoric mammals?
Paleontologists used fossilized pigment cells to reconstruct the fur colors of Mesozoic mammals, shedding light on their nocturnal…
How many asteroids can we detect before they hit Earth?
Scientists simulated a telescope with the same specifications as the new Vera Rubin Observatory. They predicted it could detect 1 to 2…
Were dinosaurs doomed before the asteroid hit?
Scientists analyzed a rock layer in New Mexico dating to the end of the dinosaur era and found that dinosaurs in the south remained diverse…
How did land plants change rivers?
Scientists studied meandering rivers across the globe to establish how they responded to the evolution of land plants.
Does the Arctic Ocean regulate or amplify global warming?
Researchers found that interactions between methane gas and seawater affected greenhouse gas emissions from the Arctic Ocean during a past…
Carbon feedbacks 56 million years ago similar to today
Geologists simulated the chemistry of Earth's past oceans and atmosphere using mineral data from the ancient seafloor. They found a…
When did freshwater appear on Earth?
Geologists found chemical ratios in ancient minerals that suggested Earth had freshwater 550 million years after it formed.