There’s no greater rush than the sudden resurgence of freedom. When whatever it is that’s been holding you back — self-doubt, a failing relationship, a bad record contract — finally gets out of your ...

When it comes to the question of whether Mars ever had life—or just possibly still has it—Christopher McKay knows whereof he speaks. A planetary scientist at NASA Ames Research Center, McKay has ...

NOVA: What do you find so beautiful about galaxies? Faber: They're magnificent in terms of their scope, their stretch, their luminosity. Their forms are lovely. They have spiral arms, regular in some ...

NEW YORK (AP) The place we call home had an inauspicious start. "In its infancy, Earth was a primeval hell, a lifeless planet bombarded by massive asteroids and comets," reports Neil deGrasse Tyson, ...