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PhysicsScientists’ collection of gravitational waves just got a lot bigger
The biggest black hole merger yet seen created one set of the spacetime ripples.
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AnimalsRebel honeybee workers lay eggs when their queen is away
A honeybee queen’s absence in the colony triggers some workers to turn queen-like and lay eggs, sometimes in other colonies.
By Yao-Hua Law -
LifeHow some sap-sucking insects fling their pee
Sharpshooters hurl their pee with structure called a stylus, which sends droplets flying at 20 times the acceleration of Earth’s gravity.
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Planetary ScienceNASA’s OSIRIS-REx spacecraft has finally arrived at asteroid Bennu
Planetary scientists hope the probe will reveal if such carbon-rich asteroids helped kick-start life on Earth.