A covert Chinese space plane has quietly released a new UFO-like object into orbit, according to US tracking data, fuelling ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

A US pilot claims his aircraft was surrounded by a 'jellyfish' swarm before being shot down over Iran, sparking debates on ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

A mysterious object has been deployed into orbit by China's covert space plane, according to revelations from a U.S.-based monitoring firm. The 'Reusable Experimental Spacecraft' operated by the China ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

The largest digital camera ever built is starting to capture images of unseen corners of the universe. The Vera C. Rubin ...

As Elon Musk basked in the public spectacle of SpaceX’s blockbuster IPO, another – altogether more restrained – rocket ...

On a crisp late autumn morning at the Beilun Estuary National Nature Reserve in Fangchenggang, South China's Guangxi Zhuang Autonomous Region, a ranger team led by Chen Hanbo, director of the reserve, ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

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