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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

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
Titan Loses its Speckles

Titan Loses its Speckles

Some of the most stunning images of Saturn’s moon Titan are made using a synthetic aperture radar to penetrate the thick atmosphere to see the frigid surface.

February 16, 2015 — Caleb A. Scharf

Is AI Dangerous? That Depends…

Somewhere in the long list of topics that are relevant to astrobiology is the question of ‘intelligence’. Is human-like, technological intelligence likely to be common across the universe?...

February 13, 2015 — Caleb A. Scharf

Jupiter’s Moons Ascending

Some natural phenomena need few words to explain why they’re fascinating. Eclipses, transits, and phases in astronomy tend to fall into that category.

February 6, 2015 — Caleb A. Scharf

Has An Exomoon Been Found?

Intriguing data from an event in 2007 hints at an exomoon forming around a giant planet in a youthful star system 420 light years from Earth.

January 27, 2015 — Caleb A. Scharf
Has An Exomoon Been Found?

Has An Exomoon Been Found?

Intriguing data from an event in 2007 hints at an exomoon forming around a giant planet in a youthful star system 420 light years from Earth.

January 27, 2015 — Caleb A. Scharf
Notes From The Frontier: Life’s Origins

Notes From The Frontier: Life’s Origins

I spent some of last week at a fascinating and lively symposium on the origins of life and the search for life in the universe, held at the Earth-Life Science Institute (ELSI) at the Tokyo Institute of Technology...

January 21, 2015 — Caleb A. Scharf

NASA's Dawn Mission Captures New Image of Dwarf Planet Ceres

NASA’s Dawn mission, having performed remarkably at the asteroid Vesta, is homing in on Ceres. The spacecraft’s ion engines will bring it to a capture orbit around this 590 mile diameter dwarf planet on March 6th, 2015 – at a distance some 2.5 times further from the Sun than the Earth...

January 20, 2015 — Caleb A. Scharf
Lost And Found On Mars

Lost And Found On Mars

Lost, presumed crashed, the Beagle-2 lander is finally located on Mars. Back in December 2003 a bold and decidedly British robotic device was released from the European Space Agency’s (ESA) Mars Express orbiter...

January 16, 2015 — Caleb A. Scharf

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