'Cauliflower' Silica Formations on Mars: Evidence of Ancient Life?

Image of “cauliflower” silica formations found by the Spirit rover in 2008 near Home Plate in Gusev crater. Do they hold clues to ancient life on Mars? Photo Credit: NASA/JPL-Caltech

Was there ever life on Mars? That is one of the longest-running and most debated questions in planetary science, and while there have […]

New NASA NExSS Coalition to Lead Search for Life on Distant Exoplanets

NASA’s NExSS collaboration will bring together scientists from diverse backgrounds to help search for evidence of life in other Solar Systems. Image Credit: NASA

The search for, and discovery of, exoplanets orbiting other stars has become a full-fledged endeavour in recent years, with thousands found so far and more being discovered practically every […]

NASA Laboratory Investigators Explore Atmospheric Chemistry of Titan

A stunning shot of Saturn and its moon Titan taken by Cassini. Photo Credit: NASA

Ever since the Voyagers beheld its strange, orange-hued veil of hydrocarbon smog, more than three decades ago, Titan has exerted a tantalizing pull on the human psyche. The largest moon of Saturn—and the second-largest-known natural satellite in the […]