Earth on Mars – Terraforming the Red Planet – YouTube Watch On On Episode 172 of This Week In Space, Rod Pyle and guest host Rick Jenet are joined by

What’s an UNOOSA? – Rick Jenet, the National Space Society, and the UN – YouTube Watch On On Episode 171 of This Week In Space, Rod Pyle and guest host

From ultrasounds to spacesuit assembly, Earth observations and monitoring blood flow, the seven members of the second half of Expedition 73 were kept busy this week aboard the International Space

From Jupiter’s swirling storms to Neptune’s icy depths, planets across our solar system are orbited by a fascinating cast of moons. Some are massive and geologically active, while others are

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Black holes are massive, strange and incredibly powerful astronomical objects.

Hundreds of unexpectedly energetic objects have been discovered throughout the distant universe, possibly hinting that the cosmos was far more active during its infancy than astronomers once believed. Using deep-field