Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an ...

University of Bristol astrophysicists are helping shed new light on an Earth-sized exoplanet 40 light years away where liquid ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...

Astronomers studying an oddball brown dwarf called “The Accident” have finally spotted silane, a long-predicted silicon ...

The peculiar trajectory and uncertain origin of interstellar object 3I/ATLAS have sparked scientific debate about its natural or technological origins.

Nasa scientists dismiss claims about Comet 3I/Atlas. A Harvard astronomer had suggested it might be alien tech. The comet was ...

The creative design of the science popularization 'Solar System' exhibition area allows citizens to traverse between the ...

Urban legend has told us exactly what aliens look like — little humanoid figures with large oval eyes, a tiny mouth and nose ...

As humanity gazes toward exoplanets and deep space, an uninvited visitor from the depths of interstellar space has arrived.

New research from the University St Andrews has identified signs of a potential atmosphere surrounding an Earth-sized ...

Conducting a flyby mission to an interstellar object visiting our solar system is "feasible and affordable," a new study finds. But orbiting such an interloper is a different story.

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it's feasible is another matter.