(This story has been updated to include Blue Origin's new target launch date.) Solar activity — which generated a rare overnight display of the northern lights on Florida's Space Coast — has triggered ...

Add Yahoo as a preferred source to see more of our stories on Google. A recently discovered photograph may be the only one depicting 19th century astronomer Richard Carrington. - Royal Astronomical ...

The Sun has unleashed a quartet of strong solar flares, which could herald a wild week of space weather. It all kicked off at 12:33 UTC on February 1, when the Sun fired off an X1.0 flare. About 11 ...

For observers on Earth, the sun appears as a bright, familiar disk—but what we see is only half the story. Like the moon, one ...