An unmanned NASA spacecraft will reveal details of Pluto's surface for the first time Tuesday, as it speeds by the dwarf planet after a near decade-long journey.
Little Pluto is a little bigger than anyone imagined.
While busily investigating bedrock types on Mars' Mount Sharp and preparing for a drill test, NASA's Curiosity Mars rover has also been looking up frequently to monitor sunspots on the face of the sun that is turned away ...
This little-known galaxy, officially named J04542829-6625280, but most often referred to as LEDA 89996, is a classic example of a spiral galaxy. The galaxy is much like our own galaxy, the Milky Way.
When two different sized galaxies smash together, the larger galaxy stops the smaller one making new stars, according to a study of more than 20,000 merging galaxies.
Pluto, reveal thyself, and Earthlings, enjoy the show. On Tuesday, NASA's New Horizons spacecraft will sweep past Pluto and present the previously unexplored world in all its icy glory.
Come Tuesday, Clyde Tombaugh will pass within 7,800 miles (12,550 kilometers) of the icy world he discovered 85 years ago.
There's a near-perfect heart shape on Pluto's rusty red surface which scientists are seeing for the first time as a piano-sized NASA spacecraft, New Horizons, hurtles toward the distant body on its way toward a historic flyby ...
When destined to stay close to Earth, spacecraft often must withstand the hazards of our space environment. They can be exposed to regular radiation showers from the sun and - if the space weather is particularly intense, ...
Europe's robot lab Philae, zipping towards the Sun on a comet, has called home for the eighth time since waking up from hibernation last month, French space agency CNES said Friday.