For instance, while Sgr A* has a mass of around 4.3 million times that of the sun, primordial black holes are ... That is because those particles interact with light, or, more accurately, ...

The solar flare originated from sunspot group AR3842, which has a history of powerful activity. Just days prior, this same sunspot released an X7.1 solar flare and produced a coronal mass ejection ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Solar flares do not cause the Northern Lights. They are caused by a phenomenon called coronal mass ejections (CMEs) that ...

A recent solar flare has prompted a geomagnetic storm watch and could produce aurorae this weekend. Here's how to see them if ...

Solar flares and coronal mass ejections are normal behavior for the Sun, particularly when it's in the peak of its activity ...

There’s more to thunderclouds than rain and lightning. Thunderclouds can produce intense bursts of gamma rays.