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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

Black Hole Roundup

Spinning black hole (NASA) Black holes, black holes, and more black holes. In the past few weeks I've been thinking, talking, and even dreaming about black holes (yes really, somnolent thoughts seem well suited to these fantastic objects)...

September 20, 2012 — Caleb A. Scharf

A Martian Stares Back

Peekabo! Mastcam seen by the MAHLI camera on Curiosity's arm (NASA/JPL-Caltech/MSSS) There is nothing particularly scientific about this image, but it is remarkably evocative.

September 8, 2012 — Caleb A. Scharf

Watch Out Mars! 1080 HD Video of Curiosity Descent

Ok, so every so often something comes along that just blows away everything you've seen before. This is one of those things. Soon after Curiosity made landfall we got to see a glimpse of a low-resolution and highly compressed time-lapse video of the descent, showing the heat-shield fall away and a precipitous drop to the martian surface...

August 22, 2012 — Caleb A. Scharf

More Tales of Life

It's all about origins... Another couple of episodes in Bishop Sands' outstanding Sift podcast series on origins and life are now up. You can catch my verbal contribution on interstellar chemistry at about the 11 minute mark in this one (below) on Origin Stories, but I encourage you to listen to the whole thing...

August 21, 2012 — Caleb A. Scharf

Black Holes to the Rescue

This post is the fourth in a series that accompanies the publication of my book ‘Gravity’s Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos’ (Scientific American/FSG)...

August 14, 2012 — Caleb A. Scharf

Curiosity Targets Gale Crater

The clock is ticking and NASA's Curiosity rover with its burden of the Mars Science Laboratory is heading for a potentially historic landing on Mars.

August 5, 2012 — Caleb A. Scharf

Skiing To Mars: The Original Rovers

Prime real estate. The landing zone for Curiosity (NASA/JPL) As the world waits with bated breath for NASA's Curiosity rover to attempt a safe landing on Mars on August 6th (EDT), it's interesting to recall the rovers of times past...

July 23, 2012 — Caleb A. Scharf

Black Holes: Incredibly Loud and Extremely Distant

This post is the third in a series that accompanies the upcoming publication of my book ‘Gravity’s Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos’ (Scientific American/FSG)...

July 16, 2012 — Caleb A. Scharf

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Scientific American Unlimited

Scientific American Unlimited