Astrophysics

Stars racing out of the galaxy could offer clues about dark matter

Physicists line up to crack a long-standing particle puzzle

NASA is investigating new roles for the former planet-hunting observatory

Astrophysicists are gearing up to haul in neutrinos from an exploding star in our own galaxy in hopes that the subatomic particles will provide unparalleled insights into the physics of star death

X-ray and radio observations offer the best evidence yet that, as long suspected, high-energy particles stream from the heart of our galaxy

Two dwarf galaxies may have smashed together in our Local Group, sparking the nearest "starburst"

Where did the Red Planet’s carbon dioxide blanket and liquid surface water go? NASA’s Maven mission will launch next week to investigate

The most precise measurement yet of the electron’s shape casts doubt on ideas such as supersymmetry that predict a zoo of undetected particles in the universe

A double star just 20 light-years from Earth is surprisingly young, offering bright prospects for planet hunters

Seeing Saturn through a telescope can leave a ringing in one's ears

Neutrinos from deep space are opening up a new kind of astronomy

Astronomers are discovering distant planets that orbit two-star systems, uncovering bizarre and wondrous worlds unlike anything in our solar system