A two-pronged, pheromone-producing gland in female dragon mantises only pops up when they are ready to mate.
Researchers recently described a new species of amphibious giant centipede in an archipelago in Japan.
New simulations calculated T. rex speed from the motion of its swaying tail, finding that the massive dinosaur was a mighty slow walker.
Around 120 million years ago, tarantulas first appeared on the Gondwana supercontinent in what is now the Americas, and then dispersed into Africa, Australia and India.
A simulated binary system animation shows how extreme gravity warps two black holes locked in a mesmerizing "dance."
"The Boy of Gran Dolina," a young individual in the extinct Homo antecessor species found at a site in Spain, is actually female, according to new analysis of dental remains.
Butterfly wing scales, neurons, dividing cells and more showcased the beauty of microscopy in Olympus' second annual Global Image of the Year Award.
Archaeologists in Peru are taking steps to preserve and study a 3,200-year-old temple painted with a mural of a spider deity holding a knife.
A months-long rescue operation transported the last of nine stranded giraffes to their new home in a mainland sanctuary.
Exploring volcanic lava tubes in Hawaii helps researchers understand how humans should prepare for living and working on worlds other than Earth.
In Iron Age boat burials, 1,400-year-old feathers filled comfy cushions under warriors' bones. Down in the bedding belonged to different birds and may have had symbolic importance.
An arachnologist described a new species of peacock spider after a citizen scientist discovered it in the wetlands of southern Australia.
High-speed cameras and arrays of microphones helped researchers draw an acoustic map of hummingbirds' distinctive hum.
Arecibo Observatory's collapse on Dec. 1, 2020 was a devastating blow for science, but its decades of observations will inform research for years to come.
An astonishingly lifelike facial reconstruction reveals the face of an enigmatic mummy who may have been the biological father of the renowned pharaoh Tutankhamen.
Revisiting how Earth looks from space could offer scientists clues for finding alien life on distant worlds.
In "a rare and unusual clinical case," doctors described a young woman whose menstrual cycle made her weep tears that were made of blood.
New images of Jupiter's polar auroras, captured by the Juno spacecraft, revealed the full cycle of intense and unusual polar light displays.
The Great Red Spot, a massive storm spiraling on the surface of Jupiter, may owe its continued life to cannibalism, slurping up smaller storms to fuel its churning power.
Approximately 40,000 bombs were dropped on Poland's Koźle Basin during WWII, targeting industrial plants operated by the Nazis.
Plant fossils that may be a million years old hint that Greenland's icy shell melted away more recently than expected — and could melt again.
A boy's desert hike with his family led to the discovery of a rare statuette of a bare-breasted woman, used as a protective amulet during the biblical era.
Archaeologists in the Czech Republic recently discovered a 1,600-year-old grave holding the remains of a woman and several precious artifacts.
An ancient Egyptian tomb, sarcophagus and funerary artifacts could soon be accessible through virtual reality.