Book Review: Earth In Human Hands (Synopsis)

“We only have one planet that serves as an example and in science it’s not good to derive information from a sample size of one.” -David Grinspoon Although there will never be a shortage of doubters, the scientific evidence is overwhelming that humans have impacted the planet, particularly over the last few millennia, like no … Read moreBook Review: Earth In Human Hands (Synopsis)

Are we looking for aliens in all the wrong ways? (Synopsis)

“I know perfectly well that at this moment the whole universe is listening to us, and that every word we say echoes to the remotest star.” -Jean Giraudoux Since the 1930s, humans have been broadcasting radio signals powerful enough to be picked up by a sufficiently advanced alien civilization, even one located many light years … Read moreAre we looking for aliens in all the wrong ways? (Synopsis)

Forty years ago, we landed on Mars… and found life? (Synopsis)

“This suggests a robust biological response. These analyses support the interpretation that the Viking LR experiment did detect extant microbial life on Mars.” -Bianciardi, Miller, Straat and Levin On July 20, 1976, the Viking 1 lander touched down onto the Martian surface, followed just a few weeks later by Viking 2. On board both landers … Read moreForty years ago, we landed on Mars… and found life? (Synopsis)

Venus, not Earth, may have been our Solar System’s best chance at life (Synopsis)

“It was the Venus I had prayed to, it was my prayer, though I had no such words. They filled my eyes with tears and my heart with inexpressible joy.” -Ursula Le Guin If you were to rewind the Solar System to the very beginning, with only imperceptibly different initial conditions, how often would Earth … Read moreVenus, not Earth, may have been our Solar System’s best chance at life (Synopsis)

Is Dark Matter Required For Life To Exist? (Synopsis)

“The privilege of a lifetime is being who you are.” –Joseph Campbell Making up some 85% of the mass in our Universe, dark matter is necessary to explain the motions of individual galaxies, the grouping and clustering of assemblies of galaxies, the large-scale structure of the Universe and more. But on a much closer-to-home level, … Read moreIs Dark Matter Required For Life To Exist? (Synopsis)

Could Aliens See Heat-Based Signs Of Life On Earth? (Synopsis)

“The world communicates subtly. Most people don’t hear or see the signs because they’re so wrapped up in their day-to-day lives.” -Doug Cooper If you wanted to see if a planet was inhabited in Star Trek, all you had to do was scan for signs of life. With current technology, that’s really hard to do! … Read moreCould Aliens See Heat-Based Signs Of Life On Earth? (Synopsis)

Ask Ethan: Is the Universe itself alive? (Synopsis)

“Do not look at stars as bright spots only. Try to take in the vastness of the universe.” -Maria Mitchell The analogies between small-scale, living things and large-scale, cosmic entities are abundant: between a neuron and the Universe’s large-scale structure; between an atom and a solar system; between the stars in a galaxy and the … Read moreAsk Ethan: Is the Universe itself alive? (Synopsis)