Apr 17, 2013 — Is the importance of life on Earth shrinking as science continually re-defines our world as a meaningless speck in an endless and uncaring Universe? Or is life here a precious thing that grows in importance with our ever-deepening knowledge of the Universe? Commentator Marcelo says it's the latter.
Feb 19, 2013 — The eye-popping, ear-splitting meteor streaking over Russia last Friday was an invitation to look up more often, to track the shooting stars we might see on any given night. These daily visitors to our planet put cosmic history into context, lighting up a past that is full of debris.
Feb 13, 2013 — Of the patriarchs of science, Kepler is the least known. This injustice should be rectified, for Kepler not only taught us about how the planets move in the sky but also how important it is to dream; and how equally important it is to make sure the data backs your dreams up.
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 16, 2012 — Astronomers have finally discovered a planet orbiting Alpha Centauri, the nearest star to the Sun. At a mere 4.4 light years away, scientists have long hoped that a planet would be found around this closest of stellar neighbors.
Sep 10, 2012 — New results from research by the University of Maryland and the Tokyo Institute of Tecnnology indicate that our solar system may, in fact, be quite unusual.
Jun 19, 2012 — For that one moment all the meaning and concern I schlep from one day to the next just evaporated before my small place in this very big galaxy.
May 19, 2011 — A study in the latest issue of the journal Nature, has found there may be 10 Jupiter-sized planets floating around out there without a parent star. This makes my world feel even smaller.
Mar 14, 2011 — Growing up, Pluto was my favorite planet. I can't believe it's been five years since we lost it. Sunday was the 81st anniversary of the then-planet's discovery and some school children in Seattle held a protest Saturday to reinstate the planet.
Sep 12, 2011 — More than 30 million light-years away, the planet in the constellation Vela may have water. It also has temperatures in the low 100s and lots of humidity.