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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

Cosmic Solitude, Exoplanets, and Books

Cosmic Solitude, Exoplanets, and Books

Earlier this week I had the very great pleasure of catching up with Lee Billings, the author of Five Billion Years of Solitude, a beautifully written and provocative new book about the quest to find other Earths, other life in the universe...

January 10, 2014 — Caleb A. Scharf
Something’s Cooking on Mars

Something’s Cooking on Mars

What do you get when you cook buried martian mudstone in your oven? The answer appears to be the kind of gases you’d expect if you cooked organic material here on Earth.

December 20, 2013 — Caleb A. Scharf
‘Jade Rabbit’ is on the Moon

‘Jade Rabbit’ is on the Moon

At 1.11pm UTC today (8.11 am EST) the Chang’e-3 mission made a successful soft landing in an area toward the edge of the Sinus Iridum and Mare Imbrium – shown in this image by the red flag...

December 14, 2013 — Caleb A. Scharf

Extraordinary Footage From Starship Juno

A starship comes tearing through the solar system, its sensors capturing a brief glimpse of the inner planets. A small blue-green world spins while its tiny dark moon gyrates around it.

December 11, 2013 — Caleb A. Scharf

4 Billion Years of Martian History in 2 Minutes

In honor of a slew of new results coming from NASA’s Curiosity rover, here’s a two-minute simulation of our current best-bet for how the martian environment has evolved over the past 4 billion years...

December 9, 2013 — Caleb A. Scharf
To Jupiter

To Jupiter

On October 9th, 2013, NASA’s Juno mission completed an Earth ‘flyby’ to gain a little extra velocity (a gravitational slingshot maneuver that steals a tiny bit of Earth’s momentum) to get it to Jupiter in 2016...

October 30, 2013 — Caleb A. Scharf
Krugman’s Theory of Interstellar Trade

Krugman’s Theory of Interstellar Trade

Everyone needs a little light relief sometimes, including the Nobel winning economist and writer/blogger extraordinaire Paul Krugman. A few months back he reminded the world of a short paper he’d written some years ago on the rather unexpected topic of interstellar finance...

October 28, 2013 — Caleb A. Scharf

The Great Martian Storm of ’71

                          On November 14th 1971 NASA’s Mariner 9 became the first spacecraft to successfully orbit another planet...

October 21, 2013 — Caleb A. Scharf

Astrobiology Roundup

                      Lots of new scientific results in the past couple of weeks feed directly into the central questions of astrobiology – from the search for life, to the environment of interplanetary and interstellar space, and the grand cosmological terrain we find ourselves in...

September 25, 2013 — Caleb A. Scharf

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Scientific American Health & Medicine

Scientific American Health & Medicine