Everything alive today derives from a single common ancestor known affectionately as LUCA (Last Universal Common Ancestor).

Madyson Barber, a grad student at the University of North Carolina, was researching young transiting systems in space when she made a remarkable discovery.

A study of thousands of space rocks may explain why a common type in space is so uncommon on our planet.

A new study finds that Mercury may have contracted 10% to 30% more than previously thought — a loss of up to 14.5 miles (23 kilometers) of total diameter since the planet formed. Published in Geophysical Research Letters, an AGU journal.