News
-
LifeHow a mound-building bird shapes its Australian ecosystem
In Australia’s mallee woodlands, malleefowl dutifully construct mounds to incubate their eggs, redistributing nutrients across the landscape.
By Jake Buehler -
Planetary ScienceMars has two speeds of sound
High-pitched clacks from a laser on NASA’s Perseverance rover zapping rocks traveled faster than the lower-pitched hum of the Ingenuity helicopter’s blades.
By Liz Kruesi -
Particle PhysicsThe W boson might be extra hefty. If so, it could hint at new physics
A new measurement of the W boson’s mass, made by smashing particles together, reveals a potential crack in physics’ standard model.
-
PaleontologyA hole in a Triceratops named Big John probably came from combat
The nature of the wound and signs of healing suggest that the dinosaur's bony frill was impaled by a Triceratops rival.