How a solar flare nearly triggered a nuclear
Against a backdrop of increasing tensions and Cold War nuclear threats, an act of war was detected. But the culprit wasn’t from Earth.
Himalayan temples tell tales of tremors and quakes
Tilted pillars, cracked steps and sliding stone canopies in Indian temples are being used to reconstruct earthquakes.
How the moon causes Californian earthquakes
The gravitational pull of the sun and the moon has a tidal effect on the Earth’s crust that gives scientists new insights into the mechanics of the San Andreas fault. Bill Condie reports.
A ringside seat at the birth of stars
A NASA supercomputer simulation captures a mix of radiation, magnetic fields, gravity and other physical phenomena to give a view of the galaxy 700,000 years ago.
Juno’s risky rendezvous with Jupiter
If the spacecraft’s rocket doesn’t fire at the right time, its 2.8-billion-kilometre journey will be for nought.
Are clouds blocking our view of water on exoplanets?
A new NASA study tries to work out what the atmospheres of ‘hot Jupiters’ have in common.
Why is Antarctica’s sea ice spreading as the Arctic’s shrinks?
The health of sea ice between the poles couldn’t be more different. The extremes, US researchers say, boil down to geology.
Australian scientists smash solar cell efficiency record
By splitting the spectrum into four, scientists have maximised electricity generation from a beam of sunlight.
Being asleep or awake may hinge on brain salts
How brain cells regulate waking and snoozing is still mostly a mystery. A new study shows deciding factors may come from outside the cells.
How to cook up asteroids on Earth for space mining gear tests
The OSIRIS-REx mission to return samples from an asteroid will cost nearly $1 billion, and to make sure it’s up to the job, NASA needs practice material.