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?
Sun news for March 18, 2024. Sun activity is moderate with a great mixture of action. That big sunspot is back! The March 17 filament eruption sent 2 CMEs Earthward.
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?
Will Betelgeuse have another period of noticeable dimming in 2024? Betelgeuse will explode as a supernova someday. When it does, it'll be visible in daylight.
Did you see the moon and Jupiter close together on March 13, 2024? Check out the images our talented photographers captured, including the Galilean moons!