The year's fastest sunsets are at the equinoxes, and the slowest are at the solstices. We're talking about how long it takes the sun to sink below the horizon.
The Voyager 1 spacecraft started sending gibberish back to Earth in November. Now engineers have sent it a "poke" and received a message they can decipher.
Activity on the sun affects Earth's magnetic field. It can cause geomagnetic storms and can create beautiful auroras. Are these solar storms dangerous?
We're counting down to the April 8, 2024, total solar eclipse, which will cross North America. Colors look eerie just before the moon covers the sun. Why?