The inner core of the Earth, a hot and dense ball of solid iron located.
The winter solstice marks the official beginning of astronomical winter (as opposed to meteorological winter, which starts about.
A solar storm sparked a shimmering aurora visible in space. NASA astronaut Bob Hines caught.
Janus, a two-headed Greek tortoise and mascot of the Geneva Natural History Museum, is 25.
Geoscientists say Earth will be home to one massive supercontinent about 200 million years from now; there.
An asteroid around the size of a refrigerator was spotted hours before it hit Earth’s.
Astronomers have mapped the atmospheres of exoplanets for a while, but a good look at their night.
Scientists have discovered the largest known galaxy ever. The new discovery is located around 3.
The true origin of life has always been one of the greatest unknowns that we.
Rough winter weather is working its way across the United States, with bitterly cold air.