The joint European-Japanese mission is only the second survey of Mercury, the least explored planet in the inner solar system ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

For decades, scientists have tried in vain to accurately predict solar flares—intense bursts of light on the sun that can ...

Astronaut Don Pettit has taken one of the most incredible astrophotography pictures ever, and possibly the best taken by ...

The ESA Solar Orbiter has provided a stunning new look at the Sun by combining 25 high-resolution images. This mosaic offers a detailed view of the solar surface, including sunspots and granules, ...

Carbon-rich cosmic dust comes from different sources and spreads out into space, where it's necessary for life and for the ...

A spacecraft named BepiColombo is currently zipping by planet Mercury, making a very close flyby and snapping incredible high ...

The BepiColombo spacecraft captured the photographs during its last flyby of Mercury, a maneuver necessary to propel the ...

The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...

Telegraph columnist Stephen McAllister shared a crystal clear image of Jupiter and one of its moons, Io, on social media after he caught it ...