Plasma shield
Researchers find that Earth’s “plasmaspheric hiss” protects against a harmful radiation belt.
Researchers find that Earth’s “plasmaspheric hiss” protects against a harmful radiation belt.
New study finds that a strong magnetic field whipped the early solar system into shape.
Better options available in thousands of near-Earth asteroids, expert says.
Alpha Magnetic Spectrometer detects positrons in cosmic ray flux that hint at dark matter's origin.
MIT professor Nergis Mavalvala helps build tools to detect gravitational waves.
MIT physicist lauded for his groundbreaking theory of cosmic inflation.
Faintest galaxy ever detected illuminates unusual aspects of the universe’s early evolution.
MIT scientists identify a plasma plume that naturally protects the Earth against solar storms.
Robert Simcoe peers deep into the universe’s past to identify the first stars.
The discovery suggests that the very first generation of stars may not have been as powerful as previously thought.
Method will help scientists determine the mass of exoplanets that are not measurable in any other way.
The largest asteroid is 12 miles in diameter, but poses little immediate threat to Earth.
While too hot to support life, Kepler 78b is roughly the size of the Earth.
Josh Winn’s hunt for exoplanets may someday reveal habitable, Earth-like worlds.