A Norwegian rocket launched on 25 January 1995 in order to study the Northern Lights, was mistaken by Russia for an incoming nuclear missile on a direct course to Moscow.

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

NASA is backing a new generation of nuclear rockets that could compress the months-long journey to Mars into a sprint measured in weeks. The most ambitious concepts on the table promise crewed trips ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Every year, companies and space agencies launch ...

Going to the moon was one thing; going to Mars will be quite another. The distance alone is intimidating. While the moon is ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) Every year, companies and space agencies launch hundreds of rockets ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Marcos Fernandez Tous, University of North Dakota; Preeti Nair, University of North ...