The night sky can be an awe-inspiring thing. But the view we get depends on a variety of factors.
The first total solar eclipse since 1918 is happening on Monday, August 21, and people across the country are gearing up to view the astronomical event.
This weekend will be a busy one for astronomers and stargazers alike. A penumbral eclipse kicks off Friday night.
To make enough of the elements to support the chemical complexity of biology, we need an enormously old universe. Stars truly are the factories of life. But for you or your cat to exist, several generations of stars need to have come and gone - each born from the atoms of previous generations, like the babies of the Orion Nebula.
To make enough of the elements to support the chemical complexity of biology, we need an enormously old universe. Stars truly are the factories of life. But for you or your cat to exist, several generations of stars need to have come and gone - each born from the atoms of previous generations, like the babies of the Orion Nebula.