Interplanetary travel to Mars aboard nuclear-powered spaceships may sound like science fiction – yet NASA is planning to make ...

The Swift Observatory is in peril more than 2 decades after a Cape Canaveral launch. Here's what to know about NASA's ...

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...

Besiege Broken Beyond launched June 22 on Steam, adding inverse-square-law multi-body orbital gravity, 13 new space blocks, ...

The Exploration Rover for Navigating Extreme Sloped Terrain (ERNEST) test rover has been put through its paces with great ...

NASA’s Nancy Grace Roman Space Telescope has reached Kennedy Space Center in Florida, where it has begun final preparations ...

Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which ...

An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...

Retired Rear Admiral Tim Gallaudet suggests underwater UFOs may be operated by non-human intelligence, raising national security concerns. Thousands of sightings have been reported, yet explanations ...

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...