Newly released photos from NASA’s Earth Observatory group show nighttime views of our planet in unprecedented detail.

While the US military has always denied the existence of UFOs, it turns out they planned to build one – and had contracted the work to a Canadian company.

Nature’s most striking phenomenon still presents a mystery to scientists.

After lifting its recloseable dust-cover for the first time, Curiosity takes the first photos with its mechanical arm.

An on-going collection of the best images from NASA’s Mars Science Laboratory’s Curiosity Rover – the seventh such vehicle to explore the Red Planet.

Photos that show the American flags left behind on the Moon by the Apollo missions don’t convince conspiracy theorists.

Stitched together using photos taken from the ISS, this amazing video of the Earth is nothing short of stunning.

Physicists at the Brookhaven National Laboratory in Upton, New York have produced the highest man-made temperature ever: 4 trillion degrees Celsius, or about 250,000 times hotter than the center of the sun.

Check out these stunning images of space with links to printable high-resolution versions.

NASA records a large CME (Coronal Mass Ejection) using its SDO satellite.