A retired 'UFO general' and a NASA-linked scientist have both vanished in the US, fuelling clashes over whether the case ...

The interstellar visitor's origins are coming into focus. The post Scan Finds Presence of Nuclear Fuel in 3I/ATLAS appeared ...

"While it's hard to say what makes something more likely to have life, identifying where to look is the first key step." ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

NASA plans to launch a nuclear-powered spacecraft to Mars by 2028, a major step for deep space exploration and its planned ...

A $20 billion plan for a moon base by 2030 and the launch nuclear-propulsion space exploration raises hopes, but caution ...

Of the five asteroids, one will be closer to Earth than the moon, according to NASA.

"Using our newly developed RAVEN pipeline, we were able to validate 118 new planets, and over 2,000 high-quality planet ...

NASA / JPL-Caltech NASA has big, potentially revolutionary plans coming up. On March 24, the agency announced that it wants ...

But what should NASA do with hardware already built for the Gateway outpost? NASA spent close to $4.5 billion on developing a ...

Getting astronauts to Mars is only half the mission — the real problem is bringing them back. NASA engineers are designing the Mars Ascent Vehicle (MAV), a rocket that must launch from the surface of ...