Astrophysics

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

A gigantic star in the Whirlpool galaxy has vanished, solving a supernova mystery

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

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

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

An underground detector in a South Dakota mine has failed to find dark matter particles, casting doubt on earlier claims

The recently proposed idea of “black hole firewalls” has physicists questioning some of their most cherished ideas

The influential Large Underground Xenon experiment, a dark matter detector based in South Dakota, is set to release its first results

The latest observations of exploding stars could call into question the cosmological constant explanation of dark energy