NASA has launched four identical spacecraft on a billion-dollar mission to study the explosive give-...

Solar Impulse 2, claimed to be the world's only solar-powered aircraft, which is on an around-the-wo...

Astronomers using a telescope, fitted with an optics system developed by Indian researchers and coll...

The Sun's heliosphere is dominated by two giant jets of material shooting backwards over the north a...

India's Mars Orbiter Mission payload has viewed the "albedo" of Mars - the fraction of solar energy ...

A NASA spacecraft has captured a giant solar filament which appears as a dark line snaked across the...

The Atmospheric Imaging Assembly on NASA's Solar Dynamics Observatory captured its 100 millionth ima...

A new route to Mars could make manned missions much cheaper, easier and more frequent, according to ...

The NuSTAR telescope, designed to study black holes, has taken its first picture of the Sun, produci...