Lichens grow in a wide range of shapes and forms. Does their ability to resist UV radiation suggest how microbes might ...

When sunspots erupt at nearly the same time, it could be something known as "sympathetic solar flares." A double eruption from sunspots AR3614 and AR3615 may be an example of it. One of the flares was ...

Sunspot AR3311 have been extremely active since its emergence in NASA Solar Dynamics views. Seven m-class flares can be seen ...