A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

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

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...

Well, as a matter of fact, I have often had close encounters with aliens, only I never bothered to mention it here. For this ...

NASA's Mars Reconnaissance Orbiter took this photo as Perseverance crossed the 42-kilometer finish line—or is it a starting ...

Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

A look at 10 of the greatest alien sci-fi movies, from Ridley Scott's Alien to Denis Villeneuve's Arrival, none by Steven Spielberg.

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

Scientists find huge ‘magma systems’ inside Mars - Findings suggest that more planets could be habitable than we thought, ...

'This one's exciting.' ...

Scientists analysing Martian meteorite NWA 8171 have uncovered the first known garnet‑bearing rock from Mars, a discovery that could reshape theories about the planet's ancient geology.