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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

Your Friendly Neighborhood Asteroid Swarm

Your Friendly Neighborhood Asteroid Swarm

The solar system is full of bits and pieces, remnants of its heyday of activity 4.5 billion years ago. Planets are the most noticeable fossil leftovers, with giant Jupiter being two and a half times more massive that the sum total of the other major worlds...

February 24, 2014 — Caleb A. Scharf
Mystery of Mars ‘Doughnut’ Rock Solved

Mystery of Mars ‘Doughnut’ Rock Solved

About a month ago an intriguing pair of images from NASA’s Opportunity rover on Mars showed a curious rock that had seemingly appeared our of nowhere during the course of 12 days.

February 18, 2014 — Caleb A. Scharf

Water Erupts Across the Solar System

Reading the scientific headlines recently one would be forgiven for thinking that we’re experiencing a bout of interplanetary gastrointestinal distress.

January 27, 2014 — Caleb A. Scharf
The Jumping Rocks of Mars

The Jumping Rocks of Mars

Now you don’t see it, now you do. Ten years into a mission that was originally going to only last a few months, NASA’s Opportunity rover continues to turn up surprises on Mars...

January 22, 2014 — Caleb A. Scharf

The Monk Of A Million Telescopes

“IF THERE WERE A MILLION PEOPLE WITH TELESCOPES WILLING TO LET A FEW THOUSAND OTHER PEOPLE LOOK THROUGH THEM, IT IS POSSIBLE THAT EVERYONE WHO WALKS THIS EARTH, WITH EYES TO SEE, MIGHT SEE THE UNIVERSE” John Dobson, (September 14th, 1915 – January 15th, 2014) John Dobson’s life reads like a movie script...

January 21, 2014 — Caleb A. Scharf
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

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