While the Cambrian Explosion kickstarted complex life in a major way some 530 million years, the true timeline of life on ...

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth." ...

While those characters may have discovered a beautiful and mysterious world deep down, a new study published in Nature Communications suggests that the Earth’s true core is probably just a 400 ...

Brr! But in sunlight near Earth, temperatures can swing to a boiling 250 degrees Fahrenheit. That's why astronauts wear reflective white spacesuits. Unimpeded, light can move at 299,792,458 meters ...