An amateur astronomer appears to have made contact with the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE) satellite, which lost contact with NASA in 2005.
See our amazing collection of stories and features about the increasingly important topic of space weather (aka solar storms).
Two satellites, one carrying a NASA science instrument, are safely in orbit despite an anomaly with their Ariane 5 rocket during launch, Arianespace officials say.
A new NASA mission, the first to hitch a ride on a commercial communications satellite, will examine Earth's upper atmosphere to see how the boundary between Earth and space changes over time.
Habitability on planets orbiting a star that is cooler and dimmer than our sun appears to be much less likely than previously thought, according to a new analysis of data from a NASA orbiter on Mars.
Rhea, an icy cratered moon that provided the first direct evidence of an oxygen atmosphere in the Saturn system, shines in its final image by the Cassini spacecraft.
An explosion of colors lights up the evening sky as a rare double "moonbow" meets the northern lights in this stunning, star-speckled view.
European Space Agency astronaut Paolo Nespoli captured stunning imagery of Earth in his final days aboard the International Space Station.
A journal of a Maine reverend reveals detailed sunspot observations during the 1816 "year without a summer."
Sixty years of data reveal that, while the maximum level of solar activity can vary drastically, by one measure, it always returns to the same quiet minimum.
A skywatcher uses filtered binoculars to observe a majestic group of sunspots just a few minutes before the sun sets behind the Castle of Noudar in Barrancos, Portugal.
Auroras may be visible across Canada and the northern parts of Montana, North Dakota and Michigan Nov. 8 to 11, courtesy of a hole in the sun's corona.
A massive, glowing bubble of light erupted in the sky above northeastern Siberia, which may have been created by a test missile launch.
Recently, Spanish astronomers found the writings of a little-known teenager who made an incredible contribution to the study of the sun.