News

  1. Tech

    New nanosize detector picks through DNA

    Researchers have made a device that can differentiate nearly identical DNA molecules, which might lead to sequencing at unprecedented speeds.

    By Jessica Gorman
  2. Anthropology

    Fossil Skull Diversifies Family Tree

    A 3.5-million-year-old skull found in Kenya represents a group of species in the human evolutionary family that evolved separately from australopithecines such as Lucy's kind in Ethiopia.

    By Bruce Bower
  3. Earth

    A quick recovery after dinosaur deaths

    Evidence from 65-million-year-old sediments suggests that a single impact from space wiped out the dinosaurs and that ecosystems recovered from the trauma in only a few thousand years.

    By Sid Perkins
  4. Earth

    New analysis rejuvenates Himalayas

    The Asian mountain range that includes some of the tallest peaks in the world turns out to be about 15 million years younger than geologists previously thought.