All Stories by Andrew Grant
- Space
Making the most of zero gravity
Astronaut and author Chris Hadfield discusses life in, and after, space.
- Astronomy
High-energy neutrinos ensnared from beyond the solar system
Speedy particles detected in Antarctica may point to gargantuan black holes or cataclysmic explosions.
- Planetary Science
Ancient Martian meteorite preserves chunks of planet’s early crust
Rock could reveal what Mars was like 4.4 billion years ago.
- Astronomy
Solar explosion forms ‘Canyon of Fire’
Just when the sun was looking especially lethargic, a violent eruption left behind a vast chasm of superheated gas on the solar surface.
- Physics
Single photon detected but not destroyed
Researchers build first instrument that can witness the passage of a light particle without absorbing it.
- Physics
Single atoms hold on to information
Minutes-long data storage by individual atoms beats previous record of tiny fraction of a second.
- Planetary Science
Meteor explosions like this year’s Russian fireball more common than thought
Chelyabinsk-sized rocks may come to Earth every 30 years, on average.
- Astronomy
Billions and billions of Earth-sized planets call Milky Way home
Using Kepler data, astronomers estimate that a sizeable fraction of the galaxy’s sunlike stars have Earth-sized planets that could support liquid water.
- Astronomy
Astronomers explain planets’ backward motion
Giant planets in distant orbits may be reversing the direction of their closer-in neighbors.
- Cosmology
Candidates for dark matter particles bite the dust
Most sensitive experiment yet determines that earlier findings were just artifacts.
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- Quantum Physics
Single electron caught in action
Researchers have found a way to isolate the behavior of one particle.
