Feb 24, 2014 — A high-speed collision on the moon's surface was recorded on video and created a bright flash that would have been visible on Earth for eight seconds, scientists say.
Dec 31, 2013 — This New Year, stop to consider the point of it all with this beautiful animation of Carl Sagan's "Pale Blue Dot" meditation on Earth's place in the cosmos.
Nov 26, 2013 — Feeling a little blue recently, commentator Adam Frank retreated to a hilltop and found something he wasn't looking for: perspective. The breadth of time stretched out before him and opened his eyes to our place in an ongoing story.
Apr 9, 2013 — Did the seeds of life on Earth begin on Mars? Are we part of Earth's first alien invasion? Adam Frank says we may be looking at a future full of discoveries in our own solar system that could reset our understanding of life and its origin.
Mar 10, 2013 — Not only is there no consensus yet on how life might have started on Earth, there is not even any agreement on where it started. But still, many think the mystery of life's origin can be solved. Commentator Wim Hordijk revels in the subject at a conference hosted by Princeton University.
Feb 8, 2013 — We know a great deal about life and its pre-biotic precursors. But do we now understand how life is built from non-life? This is still an open question. Philospher Alva NoŽ considers this state of affairs in the context of the storm of controversy surrounding Thomas Nagel's book.
Jan 15, 2013 — In a breathtaking video, astronauts talk of the Overview Effect: how their vision of the Earth — and our role in its future — changed once they saw it from space. It's high time we take their views seriously and act as a species to preserve our future.
Oct 31, 2012 — NASA's Kepler Mission has been spotting many "Earth-like" planets within our galactic neighborhood. But what fraction of these Earth-like planets are really like our planet? The more we learn about Earth's remarkable properties, the rarer our planet seems to be. And with it, the life it hosts.
Oct 9, 2012 — The vast web of geometries traced out in light shows you cities as a kind of infestation. They're like living networks spreading across the planet.
Sep 12, 2012 — Our lives are based on conventions that seem rock solid when they aren't, at least in comparison with cosmic time-scales. The duration of a day changes in time, determined by the gyrations of the Earth-Moon pair.