Astronauts Are Going Back to the Moon For The First Time in Half a Century

NASA's Artemis II crew will visit the lunar neighborhood as early as February—the first step in building a moon base.

Our Universe: An Expanding Bubble In A Cosmic Sea With Other Bubbles

Bubble universe theory: our cosmos as an expanding bubble among other universes, with links to dark energy, the Local Bubble, multiverse ideas and higher dim...

New Design For Data Center In Space, Like Beads On A String

A proposed orbital data center design consists of solar panels branching out from long columns that hold computing hardware.

New Design For Data Center In Space, Like Beads On A String

A proposed orbital data center design consists of solar panels branching out from long columns that hold computing hardware.

Book Review Discordance: The troubled history of the Hubble Constant. By Jim Baggott

Center for Space Environmentalism Manifesto

A statement of principles and goals representing the consensus view of the founders of the Center for Space Environmentalism.