A European-Chinese spacecraft has captured the full ring of the northern lights around the North Pole in ultraviolet light, giving scientists a new way to follow how disturbances from the Sun interact ...

The first nuclear power sources used in space were developed in the early 1960s and have been used for deep-space missions ...

The BepiColombo mission, by the European Space Agency and the Japan Aerospace Exploration Agency, is only the third to study our smallest planetary neighbor ...

The planet Mercury is the closest planet to the sun, and also the most difficult for spacecraft to visit and explore. This is because as spacecraft get closer to Mercury, the sun's enormous gravity ...

Using continuous imagery from NASA's PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission, scientists predicted the near-Earth arrival of a solar eruption to within 30 minutes in an initial ...

Blue Origin's Power Tower could supply more than 10 kW of solar power to a future lunar base at the Moon's south pole.

Canada is moving to expand its role in supplying nuclear isotopes that could power ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The Sun’s inner corona appears greenish in this image taken ...

Most spacecraft use solar panels to power their equipment — but missions to places such as the shadowed craters of the Moon or the deep Solar System can’t rely on energy from the Sun. Could nuclear ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our own solar system? While distant galaxies reveal clear signs of something ...