Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Researchers used Green Bank Telescope to detect radio signals from 3I/ATLAS just before its closest approach to Earth.

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

The United States is offering to give illegal aliens $3,000 if they register for self-deportation on the CBP One app by the ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

The Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile first saw this celestial wanderer on July 1, 2025. It is ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...