In a paper to be published today in the journal Science Advances, lead author Karen Meech of the University of Hawai`i's Institute for Astronomy and her colleagues conclude that C/2014 S3 (PANSTARRS) formed in the inner Solar ...
Earlier this year scientists presented evidence for Planet Nine, a Neptune-mass planet in an elliptical orbit 10 times farther from our Sun than Pluto. Since then theorists have puzzled over how this planet could end up in ...
Japan's space agency has abandoned its efforts to restore the operations of a multimillion-dollar satellite that was to probe the mysteries of black holes using X-ray telescopes.
Pluto has some characteristics less like that of a comet and more like much larger planets, according to an analysis of Pluto's unique interaction with the solar wind, scientists say.
Solar Impulse 2, an experimental aircraft flying around the world to draw attention to clean energy technologies, is to take flight again on Monday, organizers said.
A powerful combination of observations and computer simulations is giving new clues to how the moon got its mysterious "tattoos"—swirling patterns of light and dark found at over a hundred locations across the lunar surface.
Japan is abandoning a quarter-of-a-billion-dollar satellite it sent to study black holes, disappointed space scientists said Thursday, after spending a month trying to save it.
A solar-powered airplane landed in suburban Phoenix Monday night after a daylong flight from California—the latest leg in its around the world journey using only energy from the sun.
Among this year's finalists for the Samuel J. Heyman Service to America Medal is Dennis Reuter, a planetary scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland. Named for the Partnership for Public Service's ...
The Taiwanese government should provide subsidies for the solar panel industry to help it survive in that country, University of Exeter researchers have recommended.