Are humans unique and alone in the vast universe? This question—summed up in the famous Drake equation—has for a half-century been one of the most intractable and uncertain in science.
23 hours ago in Astronomy
Is there life on other planets, somewhere in this enormous universe? That's probably the most compelling question we can ask. A lot of space science and space missions are pointed directly at that question.
Apr 27, 2016 in Astronomy