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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

NASA Goes Big and Bold for Exoplanet Science

NASA Goes Big and Bold for Exoplanet Science

                  A United States federal agency is not necessarily the first place you think of when it comes to answering some of the deepest existential questions for our species...

April 24, 2015 — Caleb A. Scharf

Where Would you Leave a Message From the Stars?

A recent article by Samuel Arbesman in the science magazine Nautilus discusses the extraordinary sounding possibility that – just perhaps – a search for extraterrestrial intelligence could be made by looking at our DNA...

April 14, 2015 — Caleb A. Scharf

Watch the First Artificial Gravity Experiment

Gravity, as the old joke goes, sucks. It drags us down, pulls on our weary limbs, makes our feet tired, makes parts of us droop. But it’s also a critical factor for our long term well-being...

April 6, 2015 — Caleb A. Scharf

Images of the Massive, March 11 Solar Flare

We live a mere 93 million miles from an enormous fusion reactor. It’s easy to overlook this, after all the Sun is only about halfway through its long slog of converting protons into helium nuclei deep inside its core...

March 31, 2015 — Caleb A. Scharf

The Grand Texture of Planets

              In an idle moment, while staring at a set of solar system data, it occurred to me that it might be interesting to display a set of planetary surfaces on an equal footing, where the overall texture of these worlds was visible (although topography is probably a more [...]..

March 30, 2015 — Caleb A. Scharf
A Blizzard of Astrobiology

A Blizzard of Astrobiology

Astrobiology has one key advantage when it comes to tooting its own horn – it can lay claim to a diverse range of scientific research as being relevant to the study of life in the universe...

March 9, 2015 — Caleb A. Scharf

Tricksy Mars may be Obscuring Signs of Organic Matter

Picture a hot volcanic spring. Mineral-laden acidic water flows through sulfur-rich rocks. A foul odor hangs in the air. For us it’s a nasty environment, best enjoyed through the lens of a tourist’s camera...

February 24, 2015 — Caleb A. Scharf

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