Andrew Grant

All Stories by Andrew Grant

  1. Astronomy

    Supernova is a dust factory

    Grains of matter spewed by stellar explosion offer clues to early star formation.

  2. Physics

    Tea time

    Leave it to the English to solve the mystery of a tea kettle’s whistle.

  3. Cosmology

    Best maps of the universe, bugs and all

    Maps from the European Space Agency’s Planck satellite reveal the cosmos in a range of microwave and infrared frequencies.

  4. Astronomy

    Year in Review: Meteorite makes an impact

    A falling rock delivers a wake-up call.

  5. Physics

    Year in Review: Below absolute zero, but hot

    Lab trickery pushes atoms to a negative temperature.

  6. Astronomy

    Year in Review: Death of a planet hunter

    The Kepler space telescope finishes a brilliant career.

  7. Astronomy

    Year in Review: Voyager 1 reaches interstellar space

    The planetary probe is the first human-made object to break out of the heliosphere.

  8. Cosmology

    Year in Review: Planck refines cosmic history

    The satellite data hint at a slower expansion rate for universe.

  9. Planetary Science

    Exoplanet mass revealed in light

    A new method could help identify habitable planets.

  10. Particle Physics

    Electrons’ roundness frustrates researchers

    Experiment finds no signs of asymmetry, which would point to undiscovered particles.

  11. Planetary Science

    Europa vents water, Hubble data suggest

    Plumes from ice-covered oceans would increase likelihood of life-friendly conditions on one moon of Jupiter.

  12. Planetary Science

    Mars was habitable longer, more recently than thought

    Warmer, wetter conditions lasted until 3.5 billion years ago on the Red Planet.