Life may exist elsewhere in the Milky Way galaxy, though try as they might, scientists have yet to detect any sign of it. Part of the problem has to do with the size of space; finding traces of organic substances or the waste signatures of alien megastructures isn’t easy at such cosmic distances. Fortunately, there’s the possibility that alien life will come to us in the form of interstellar objects. Continue reading Why a Mission to a Visiting Interstellar Object Could Be Our Best Bet for Finding Aliens
For more than 50 years, we’ve been eavesdropping on the cosmos, searching for transmissions that would reveal the existence of intelligent, extraterrestrial life.
An unidentified blast of powerful X-rays suggests something violent is happening at the core of the galaxy—but astronomers aren’t sure what it is.
Our sun has only been around for 4.5 billion years — which means it missed the cute early years of the Milky Way galaxy. If you were standing on a planet 10 billion years ago, when the Milky Way was relatively young, the night sky would have looked very different.
New observations may finally reveal the identity of a mystery object circling around the monster black hole at the center of our Milky Way galaxy — or not.