The Sun's activity is what gives us beautiful auroras — but it also has dramatic negative effects on satellites that go ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the ...

NASA’s PUNCH mission will study the Sun’s corona and solar wind with four satellites. NASA and SpaceX plan to launch NASA’s ...

The two Proba-3 satellites launched from India at 5:34 am EST (10:34 UTC) Thursday, riding a Polar Satellite Launch Vehicle ...

Over the last ten years, OPAL has observed Uranus' northern hemisphere, which has faced the inner solar system for the ...

The Griffith Observatory explained that during a major lunar standstill, the moon reaches its most northerly and southerly ...

Experts are warning of the sun's "battle zone" phase, which could produce more intense solar activity than solar maximum.

The sun may be the key to all life on Earth, but it is not the reason global temperatures have been rapidly rising in the ...

Using one spacecraft to block the Sun and another to observe, the pair will fly in tandem with millimeter-level precision.

Research shows Mars' gravitational pull affects Earth's deep-sea currents and climate, causing cycles every 2.4 million years ...

Under optimal conditions, stargazers could witness up to 100 meteors per hour streaking across the night sky. However, this ...