The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

Stealth CMEs are typically more common when the Sun is in the waning phase of its 11-year solar activity cycle.

Earth just had two close calls... and one went completely unnoticed. A small asteroid passed just 266 miles above Antarctica—closer than many satellites—before anyone even spotted it. Less than a day ...

Space weather forecasters issued an alert on Tuesday for incoming severe solar storms that could produce colorful northern lights and temporarily disrupt communications. In the past few days, the sun ...

A 6.3 magnitude earthquake hit Indonesia’s Sumatra island near Aceh province on Thursday, the country’s geophysics agency ...

Earth’s magnetic field just absorbed a hit from a solar storm that slipped past forecasters, a reminder that some of the most ...