cosmology

Whispers of the elusive particles are becoming stronger with a series of signals that appear to be zeroing in on a leading contender.

Theoretical cosmologists are piecing together a cosmic origin story from a surprising anomaly in the recently released Planck satellite image.

Decades of confounding experiments have physicists considering a startling possibility: The universe might not make sense.

Three “extremely large telescopes” poised to begin observations within a decade could help answer some of the universe’s oldest and best-kept secrets.