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 ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

The answer is as obvious as it seems – the Earth looks flat when you're standing on it, not cone-shaped. Visual evidence ...

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

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

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

Nobody was expecting very strong energy dissipation inside Titan,” says Flavio Petricca, a postdoctoral fellow at NASA’s Jet ...

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

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