Skip to main content

Extraterrestrial Life413 articles archived since 1845

Early Origins for Life Raises Major Planetary Puzzles

A recent claim for evidence of life on Earth as early as 4.1 billion years ago runs headlong into prevailing theories about a period of heavy asteroid impacts and the reshuffling of the young solar system's orbital architecture...

October 22, 2015 — Caleb A. Scharf

Cassini Confirms a Global Ocean on Saturn's Moon Enceladus

Ever since 2005, when NASA’s Cassini orbiter found plumes of water vapor spilling out of cracks in the south pole of Saturn’s icy moon Enceladus, researchers have sought to learn more about the moon’s mysterious interior as a possible abode for extraterrestrial life...

September 16, 2015 — Lee Billings

Philae's Real-Time Descent and Enceladus's Global Ocean [Video]

This week brings a video reconstructed from images of the Philae lander's approach to a comet, and a major new analysis of data from the Cassini mission that bolsters the case for a global, not just local, ocean beneath the icy crust of Enceladus...

September 16, 2015 — Caleb A. Scharf
Scroll To Top