Ancient Martian life might be preserved in ice for millions of years, new research suggests. Experiments show pure ice acts ...

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.

From radio bursts repeating in perfect rhythm to molecules linked to life in Venus’s clouds, scientists are quietly ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

Astronomers have discovered a surprisingly "pristine" red giant with the lowest concentration of heavy elements ever seen in a star. It is likely a direct descendant of one of the universe's first ...

It's one of life's biggest unanswered questions: if there's life beyond Earth, why hasn't it contacted us? Now, a scientist ...

Pulsars could be helping scientists distinguish between gravitational waves caused by supermassive black hole collisions and ...

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...

Scientists have created a new ice form, ice XXI, at room temperature under immense pressure. This breakthrough, achieved ...

Reionization is thought to have been driven by ultraviolet light produced by both early stars and active galactic nuclei ...