Scientists have presented the "first compelling evidence for the existence of lava tubes on Venus." And they're way bigger ...

Asteroid 2024 YR4, whirling serenely around the sun, will certainly not hit Earth in 2032 as once feared. But they've run the numbers for the moon, too, and 2024 YR4 looks like it might be trouble ...

Check for your Sun, Moon, and Rising signs for expert insights.

Lunar minerals generate the rust mineral hematite when bombarded with high-energy oxygen particles, experiments show.

On May 21, 2010, the Akatsuki orbiter ("Dawn" in Japanese) launched from the Tanegashima Space Center atop a H-IIA Launch ...

Fifteen years after launch, Japan has announced the end of the "Planet C" mission, leaving humanity with no presence around ...

It has been suggested that lava tubes - underground tunnels carved out by molten rock - might be on Venus, and now we have ...