Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

In honor of America's 250th birthday, here are 50 must-see American movies that celebrate who we are, who we've been and who ...

While many of life's mysteries remain unsolved, every biologist can describe the basic processes performed by a living organism, including energy use, reproduction, growth and development. While these ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...