In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to ...

Now we have the opposite problem: Obama says UFOs are real and the world shrugs.

Obama claimed aliens are real in a podcast clip that went viral this weekend, then walked back his declaration with a clarification Sunday night.

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 ...

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 ...

The arrival of 3I/ATLAS in our solar system spawned multiple proposals for a rendezvous mission to study it up close. As the third interstellar object (ISO) ever detected, the wealth of information ...

Barack Obama sparked a debate after seeming to confirm aliens are “real” on a podcast. The comment came as Congress continues to investigate UAP, UFOs.

The HAMMER, short for Highly Agile Modular Munition Extended Range, is a modular air-to-ground precision weapon designed to bridge the gap between conventional bombs and cruise missiles.

Former US President Barack Obama confirmed aliens are real in a recent podcast interview. He dismissed conspiracy theories about alien technology being hidden at Area 51, sparking fresh debate on ...

An interstellar comet racing through our solar system released methanol, methane and cyanide, NASA says. Could these life linked molecules hint at how worlds across the cosmos are seeded?

In an ambitious new proposal, scientists suggest that humanity could soon turn the Sun into a colossal telescope, allowing us ...