All Stories by Katherine Kornei
- Planetary Science
Asteroid impacts might have created some of Mars’ sand
Roughly a quarter of the Red Planet’s sand is spherical bits of glass forged in violent impacts, new observations reveal.
- Astronomy
A celestial loner might be the first known rogue black hole
The object could be the first isolated stellar-mass black hole identified in the Milky Way — or it might be an unusually heavy neutron star.
- Planetary Science
NASA’s InSight lander has recorded the largest Marsquake yet
The magnitude 5 temblor, detected May 4, will help scientists learn more about the Red Planet’s interior.
- Climate
Coastal cities around the globe are sinking
Of 99 coastal cities, nearly one-third are sinking in some places at more than a centimeter per year, making them more vulnerable to rising seas.
- Oceans
Some deep-sea octopuses aren’t the long-haul moms scientists thought they were
Off California’s coast, some octopuses lay eggs in the warmer water of geothermal springs in the “Octopus Garden,” speeding up their development.
