A new time-lapse image shows two major sunspot groups moving across the surface of the sun in December 2022, when the number of solar splotches also skyrocketed to an eight-year high.
Scientists have used facial reconstruction techniques to show what the Egyptian pharaoh Ramesses II looked like in his prime.
A radar system less powerful than a household microwave oven produced some of the best pictures of the moon ever captured.
Here's what you need to know about the omicron subvariant XBB.1.5, which is causing an increasing number of COVID-19 cases in the U.S.