Space
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- Space
Asteroid sample nails meteorite source
Dust returned from space by the Hayabusa mission shows where most space rocks landing on Earth originate.
- Astronomy
Galactic bull’s-eye came naturally
A strange cosmic object isn't the result of a galactic crash, a new study suggests.
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- Space
Atom & Cosmos
Glimmers of dark matter in the Milky Way, galaxies giving birth and more in this week’s news.
- Tech
Growing need for space trash collectors
On April 2, for the fifth time in less than three years, the International Space Station fired its engines to dodge a piece of orbital debris that appeared on a collision path. Other spacecraft also regularly scoot out of the way of rocket and satellite debris. Such evasive action will be needed increasingly frequently, a new study finds.
- Planetary Science
White dwarfs gobble Earthlike treats
Astronomers have found elements in the dead stars’ atmospheres that suggest rocky planetary bodies once orbited the stars.
- Physics
Particle physicists chasing ghosts
Wispy neutrinos could one day explain why matter dominates the universe.
- Chemistry
Meteorites contain chemicals linked to life
Space rocks could have delivered DNA building blocks to Earth.
- Space
Atom & Cosmos
Oxygen molecules in space, Earth’s second moon, a mission to Jupiter and more in this week’s news.
- Space
New hints of saltwater on Mars
Seasonal patterns consistent with briny seeps on the Red Planet, a new study concludes.
- Space
Atom & Cosmos
Trojan asteroids, black hole interactions and a gargantuan watering hole in this week’s news.
