Space
- Space
Earth took a multibillion-year beating
Asteroids pummeled the planet for billions of years as the Late Heavy Bombardment tapered off, new estimates suggest.
- Astronomy
Dark matter search turns up empty
New calculations suggest dearth of invisible substance in solar neighborhood.
- Space
Hunt for cosmic ray source falls short
After failure to detect neutrinos from gamma-ray bursts, scientists might need to revise theories.
- Space
Tall, devilish storm skids across Mars’ surface
Probe captures 20-kilometer dust devil in action.
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- Space
Planets’ gravity tidies stellar ring
The vast dust disk around the star Fomalhaut hints at a pair of orbiting bodies.
- Space
The Newtonian physics (or not) of Angry Birds Space
Experts weigh in on the basic principles featured in the game’s universe.
- Physics
Highlights from the American Physical Society April Meeting, Atlanta
String theory’s take on the Higgs, newborn pulsars may have iron by-products, and coupled neutrons in beryllium nuclei revealed.
- Astronomy
New data support Einstein on accelerating universe
New measurements of distant galaxies support Einstein’s cosmological constant as the explanation for the universe’s accelerating expansion.
- Chemistry
Life’s building blocks grow close to home
Chemical reactions in the early solar system create complex organic molecules.
- Planetary Science
Highlights from the 43rd Lunar and Planetary Science Conference, The Woodlands, Texas, March 19-23
Geologic activity and weather on Saturnian moons, and studies in Greenland to learn about Mars.
- Space
Vesta seems more planet than asteroid
Spacecraft explorations reveal a layered, beat-up celestial body.
