April 30, 2015
NASA's MESSENGER spacecraft crashed into Mercury on April 30th, ending a years-long mission that made many unexpected discoveries about the innermost planet. Today's story summarizes some of MESSENGER's most surprising finds.
April 29, 2015
The Amazon rainforest and the Sahara desert seem utterly different. Yet NASA satellites have discovered a surprising connection that intimately links these two disparate parts of our planet.
April 21, 2015
When NASA's New Horizons spacecraft flies by Pluto this July, the spacecraft's high-resolution cameras will spot many new landforms on the dwarf planet's unexplored surface. They are all going to need names—and NASA wants you to help.
April 21, 2015
At the end of a day devoted to Earth, people can look to the heavens for a beautiful shower of Lyrid meteors.
April 9, 2015
Citizen scientists scanning images from a NASA observatory have found "yellow balls" in space that may hold important clues to the mysteries of starbirth.
March 30, 2015
On Saturday morning, April 4th, sky watchers in the USA can see a brief but beautiful total eclipse of the Moon.
March 19, 2015
Tiny solar flares on the sun seem to be having an outsized effect on the temperature of the sun's atmosphere. A NASA telescope designed to study black holes may be able to crack the mystery of "nanoflares."
March 10, 2015
NASA is about to launch a fleet of spacecraft to investigate the mystery of "magnetic reconnection," which is making things explode across the cosmos.
March 5, 2015
Mark your calendar. On Friday, March 6th, NASA’s Dawn spacecraft will enter orbit around Ceres, becoming the first spacecraft from Earth to visit a dwarf planet.
March 4, 2015
The key to unraveling the mysterious cause of Alzheimer’s disease may not lie in the recesses of the human brain, but rather in the weightless expanse of space.