When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up ...

The first green that pushes through cold soil rarely belongs to roses or tomatoes. It belongs to weeds that wake up before almost anything else, staking their claim while frost still bites the air.

From Earth spinning on its axis and orbiting the Sun to it precessing like a top, lots of factors affect which stars you can ...

Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky ...

Astronomers have discovered the brightest and most distant "megamaser" to date. The cosmic energy beam is shooting toward Earth from 8 billion light-years away and was spotted thanks to a weird ...