Readers question hominid family tree

Readers sent feedback on hominid origins, fast cameras, slimy sea creatures and more.

Expert eavesdroppers occasionally catch a break

Acting Editor in Chief Elizabeth Quill discusses the many ways we watch, listen and learn about science.

Balloons will broadcast the 2017 solar eclipse live from on high

Astrophysicist Angela Des Jardins is coordinating the first-ever livestream of a solar eclipse filmed from balloons.

Borrowed genes give mums the blues

Scientists have genetically modified chrysanthemums to be “true blue” for the first time.

Half of the Milky Way comes from other galaxies

A galaxy may swipe up to half of its atoms from other galaxies, making the Milky Way mostly extragalactic stuff, new simulations suggest.