Tesla Inc. (NASDAQ:TSLA) and SpaceX CEO Elon Musk shared the possibility of encountering extraterrestrial life as space travel technology and orbital datacenters evolve. Maybe We'll Meet Aliens During ...

A nuclear engineer analyzes the Kurzgesagt episode about why aliens might already be traveling toward Earth and breaks down the science behind interstellar travel and cosmic timelines. The video ...

Former US president Barack Obama said in a recent podcast interview that aliens are real but added that he has not personally seen any. He made the remark when asked directly about the existence of ...

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Look up in the sky, it's a bird, it's a plane, it's ... a 20,000 cubic-meter power-generating airship, floating 6,560 ft (2,000 meters) above the ground. Introducing the S2000 stratospheric airborne ...

A new preprint paper has taken a look at what propulsion systems could deliver spacecraft to a particularly interesting area ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

Energy is fundamentally important—researchers have linked a lack of reliable energy to poor physical health, poor mental ...

Former President Barack Obama ignited a firestorm when he seemed to admit aliens were “real.” Congress has explored the topic of UAP, UFOs for years.

The United States flew a reactor in space in the 1960s and has studied nuclear thermal propulsion for decades. Fuel is not the primary limitation either; the enriched uranium supply chain is ...

Space startup General Galactic aims to fly a satellite using only water for in-orbit ...