From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

A rare visitor from deep space has swept through the inner solar system, offering astronomers a fleeting look at material ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

A European-Japanese space mission will reach Mercury in 2026, carrying instruments designed to answer a question that has ...

Scientists cultivating partnerships of fungi and algae believe their invention has far-out implications for how we create the ...

Is NASA hiding the truth about 3I/ATLAS? Explore the 'cosmic rebel' defying physics and why legal experts say a lawsuit may ...

Astronomers discovered the 40,000th near-Earth asteroid, taking the tally to 40,155 per NASA (as of the first week of ...

Nieves penitentes appear as sharp, spiky protrusions reminiscent of the white hats worn by penitents during penance. Their ...