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Earthrise 2015 LRO

Your Mind Can Space Out, But Your Body Belongs on Earth

Through the imagination, we can soar through distant galaxies. Sooner or later, physical reality hits home.

What You Are Not Being Told About Earth's Magnetic Field

All you need to know is right here: (1) scientists don't understand it, and (2) without it we would be dead. Read more if you dare.

Hope, Not Evidence, Drives Astrobiology

Earth-size exoplanets are not evidence for alien life. They are evidence for orbiting bodies.

Faint Young Sun Paradox Solved?

A major mystery for materialistic planetary science is solved—if you can swallow the miracles required.

Only Earth Is a Life Haven

Here are more discoveries that make it reasonable to think complex life is rare in the universe, and might be unique to Earth.

More Challenges to Astrobiology

There aren't likely as many places to live outside of Earth as earlier hoped.

Earth Twin Still Missing in Exoplanet Trove

The Kepler spacecraft has found 2,325 exoplanets so far, but there's still no place like Earth.

Rearranging Deck Chairs on Sinking Planet Theories

Supernovas come in handy as theory rescue devices.

Scientists Going Nuts Over Aliens

Baseless speculations are considered perfectly sane as long as you are a secular materialist.

More Indications Earth Is Unique

The late Carl Sagan might be stunned to see today's astronomers questioning Earth's "humdrum" status.

Tilted Planets Throw Theories Off Kilter

An example of how data can be framed as success or failure, depending on the reporter's spin.

There's No Place Like Earth

A survey of known exoplanets finds no real estate as valuable as Earth.

New Thoughts on Habitable Planets

Astrobiologists are trying to standardize the requirements for habitable planets. Do they get them all?

Do You Know How Lucky You Are to Live on Earth?

The factors that make life possible came together so beautifully, even materialists have trouble knowing why we're here.

Astrobiology: The Joy of Being Wrong

An astrobiologist looks forward to the day when everything he says is totally wrong.

Planets Defy Bottom-Up Assembly

As much as they want to imagine planets forming from dust, secular astronomers run into insurmountable difficulties.

Big Bang Antimatter Problem Deepens

The most precise measurements ever show that particles and their antiparticles are perfect mirror images of each other.

You Wouldn't Want to Live on "Earth's Cousin"

Despite the hype about another Earth-like exoplanet, Kepler 452b would not be as habitable as Venus.

Desperately Seeking Life Beyond Earth

Earth life cannot be unique. How about you, Mars? Europa, anything? Enceladus? Comet 67P? Please break the silence!

SETI Believers Are Lost in Space

How long can you say "watch this space" till onlookers lose interest?

Solar System Reversals

The planets keep going around, but theories about them often stop and go backward or sideways. When nothing else works, send in the impactors!

Blow to Supernova Nucleogenesis Theory

There's 100 times less of a radioactive element on the ocean floor than expected.

Star Trek for Real: Impenetrable Force Field Protects Earth

Radiation belts discovered at the dawn of the space age have a new trick in their pocket: shielding the Earth.

Moon's Stabilizing Influence Depends on Star Size

A connection between multiple factors was noted in a recent model of how a moon helps a planet remain habitable.

The Meek Control the Earth

How can such a small thing affect the geology and climate of the whole planet? Don't underestimate the power of small creatures.

Planet Rotation Limits Habitability

Life can't exist on a planet that rotates too fast or slow. This is another Goldilocks problem for astrobiologists to consider.

Without Bromine, There Would Be No Animals

A 28th element has proven to be essential for life: bromine.

To Be Habitable, a Planet Needs Inhabitants

In a chicken-or-egg conundrum, astrobiologists are asking whether inhabitants are needed to make a planet habitable.

Astrobiology Hopes Dim with Exoplanet Findings

Harsh "space weather" around dim red dwarf stars may make planets uninhabitable. "Godzilla Earths" may not fare much better.

Every Planet Surprises Secular Astronomers, II: Outer Planets

"Surprise" or "puzzling" are the most common words in news reports about bodies in the solar system. Here are recent examples that discuss the outer planets.