habitable planets

A view of the Venus reconstructed from radar images that Magellan took between 1990 and 1994. Credit: NASA/JPL/USGS

What Tectonics on Venus Can Tell Us About How the Planet Was Formed

Kepler-186f is seen in a NASA artist's concept released April 17, 2014.

Until We Get Better Tools, Excited Reports of ‘Habitable Planets’ Need to Come Back down to Earth

Record 1,284 Planets Added to List of Worlds Beyond Solar System