The Northern Lights or aurora borealis may be visible in the U.S. this week due to a coronal hole and a "co-rotating ...

The affects are expected to be felt today, with heightened geomagnetic activity being predicted over the next few days.

After last week's explosive X-flare, sunspot AR4046 is at it again! Could this latest eruption bring stormy space weather to Earth?

Sunlight on Earth changes over decades, affecting climate, agriculture, and energy production, including solar power.

The sun may rise every morning, but the amount of sunlight reaching the Earth’s surface can substantially vary over decades, according to a perspectives article led by an international research ...

When the ground shakes violently, entire cities can crumble within minutes. Homes, hospitals, roads, and lives can vanish ...

The National Oceanic and Atmospheric Administration anticipates two coronal mass ejections from the sun striking Earth’s atmosphere in what is classified as a potential G4, or severe ...

Its unique elongated orbit takes the asteroid around the sun and into Earth's vicinity ... While it is not forecast to strike Earth in 2032, the asteroid now has a 1.7% probability of hitting ...

Solar radiative energy declined in large parts of the world from the 1950s to the 1980s - known as "global dimming" - before ...

Sunspots are dark patches on the sun caused by strong magnetic ... exactly when and where earthquakes will strike. The complexity of the Earth adds to this difficulty. The planet’s interior ...