What’s happening on Jupiter’s moon Io? Two sulfurous eruptions are visible on Jupiter’s volcanic moon Io in this color composite…
On Nov. 28, 1964, NASA launched Mariner 4 en route to the Red Planet. The spacecraft flew past Mars on…
The Solar and Heliospheric Observatory (SOHO) spacecraft captured this image of a solar flare – the third most powerful ever…
Mythical home of Zeus, Mount Olympus is the highest peak in Greece, at 9,570 feet (2,917 meters). In this winter…
Along the coast of California, the tectonic plate underlying the Pacific Ocean and the plate harboring the North American landmass…
STS-103 payload commander Steven L. Smith retrieved a power tool while standing on the mobile foot restraint at the end…
The largest river on the planet, the Amazon, forms from the confluence of the Solimões (the upper Amazon River) and…
One of the highest mountain reliefs on Earth can be found in the tiny country of Bhutan. Sandwiched between eastern…
A computer-generated view shows the bottom of the Space Shuttle Discovery in flight with the new Remote Manipulator System/Orbiter Booster…
The Optical Spectroscopic and Infrared Remote Imaging System (OSIRIS) camera on board the Rosetta spacecraft observed Earth during its swing-by…