Andy Weir’s book The Martian - soon to be released as a movie - begins with a huge dust storm that strands a fictional astronaut on Mars. Could it happen?
These latest Pluto images from New Horizons have scientists stunned, says NASA. It’s not just the breathtaking views, but the strangely familiar, arctic look.
Before its 1995 launch, no one knew what a spectacular comet finder the SOHO spacecraft would be. It excels at spotting sungrazers, comets sweeping near the sun.
Following the July announcement of a big new SETI initiative, a Netherlands astronomer says advanced civilizations are rare or absent from the local universe.
NASA's Solar Dynamics Observatory sees dozens of Earth eclipses and several lunar transits each year. On September 13, 2015, it saw the two happening at once.
Io's volcanic activity may be due to a unique combination of ordinary gravitational squeezing by Jupiter and friction on molten rock within Io's interior.