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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

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
Will We Find Extraterrestrial Life In 2015?

Will We Find Extraterrestrial Life In 2015?

Probably not, but just possibly yes. One of the reasons that the search for life elsewhere in the universe is so exciting is that it would take only one chance discovery, one lucky break, for all the walls to come tumbling down...

December 29, 2014 — Caleb A. Scharf
Mars, Ancient Water, Deep Hydrogen, and Life

Mars, Ancient Water, Deep Hydrogen, and Life

Two billion year-old water pockets and a revised deep hydrogen content are good news for Earth’s vast subsurface biosphere, and could offer clues to life on Mars and much further beyond...

December 18, 2014 — Caleb A. Scharf
Comet 67P Only Looks Gray, It’s Actually Black

Comet 67P Only Looks Gray, It’s Actually Black

The European Space Agency’s Rosetta mission has now released the first narrow-angle color composite image of Comet 67P – taken through a set of red, green, and blue filters.

December 12, 2014 — Caleb A. Scharf

Big Mirrors, High Hopes: Extremely Large Telescope Is A Go

In astronomy, bigger is almost always better. The size of a telescope’s aperture (or primary optical element) not only determines how many pesky little photons it can capture, but also the ultimate resolution of the image that can be formed...

December 9, 2014 — Caleb A. Scharf

Alien Yet Familiar: Following Curiosity Across Mars

822 Martian days after landing, NASA’s Curiosity rover, carrying the Mars Science Laboratory, continues on its extraordinary journey across landscapes that are both utterly alien, and remarkably familiar...

November 28, 2014 — Caleb A. Scharf
The Cusp of Knowing and the Evolution of Science

The Cusp of Knowing and the Evolution of Science

In a nice piece on his Scientific American blog ‘Cross-Check‘, John Horgan recently gave me some much appreciated praise, whilst provoking discussion on a contentious subject – whether or not big science as we’ve known it ‘may be coming to an end’ (John’s words)...

November 25, 2014 — Caleb A. Scharf

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