An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Stromatolites, formed by microbes, represent some of the oldest known evidence of life on Earth (Image: Getty) Scientists have uncovered extraterrestrial material inside an Earth crater that they ...

The newest and most advanced Mars exploration rover, the Perseverance, is the main topic of discussion over at NASA these days, after it managed to effectively climb out of the Jezero Crater where it ...

The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously secret NASA Apollo 16 briefing surfaced online. The recording references a ...