Ethan Siegel, Forbes

Ethan Siegel


Portland, OR, United States

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Recent articles by Ethan:

Ask Ethan: Does Earth Orbit The Sun More Slowly With Each New Year?

If we're migrating slowly away, is our speed changing, too? → Read More

Could Dark Energy Wind Up Destroying The Universe?

Our ultimate fate depends on something we've barely begun to measure. → Read More

How To Witness Astronomy’s Once-In-A-Lifetime Planetary Alignment On December 21

Don't wait until Christmas to gift a telescope this year. → Read More

We Have No Idea What Makes A Planet ‘Potentially Habitable’

How many potentially habitable planets are there? We sincerely don't know. → Read More

5 Scientific Facts We Learned Just By Watching The Moon

The brightest object in the night sky, our Moon is an unmistakable sight. → Read More

Ask Ethan: Can We Find Out If Gravitons Exist?

They're not just a theoretical prediction of quantum gravity. They should be detectable, too. → Read More

Quantum Fluctuations Were Experimentally Proven Way Back In 1947

Often viewed as a theoretical, calculational tool only, the Lamb Shift proved their existence. → Read More

What Are The Real Odds Of ‘Doomsday’ Asteroid Apophis Striking Earth In 2068?

And if it does strike us, how much damage will it cause? → Read More

Even At Its End, The Universe Will Never Reach Absolute Zero

Once only dark energy remains, empty space still won't be completely empty. → Read More

Why Aren’t Scientists More Skeptical Of Dark Matter?

You might be inclined to modify gravity instead, but those ideas have grossly unequal evidence supporting them. → Read More

Will Future Humans See A Better Pole Star Than Polaris?

Known as the 'North Star,' Polaris won't stay that way forever. → Read More

Ask Ethan: If The Universe Is Expanding, Are We Expanding, Too?

Are atoms, humans, planets, and galaxies destined to expand, too? → Read More

No, Stephen Hawking’s Black Hole Information Paradox Hasn’t Been Solved

We still don't know how the information encoded onto it gets out. → Read More

Did A Black Hole Give Birth To Our Universe?

And do our black holes give birth to baby Universes? → Read More

Ask Ethan: Could Measurement Inaccuracies Explain Our Cosmic Controversies?

If we want our conclusions to be meaningful, our data had better be robust. → Read More

Venus Is Dead! New Analysis Shows Phosphine, A Possible Biosignature, Is Absent

If there's no phosphine, there's no indirect evidence for biological activity there. → Read More

The World Needs Nuclear Power, And We Shouldn’t Be Afraid Of It

As we embrace green solutions, nuclear should absolutely be part of the equation. → Read More

The Standard Model Is Not Enough, New LHC Study Shows

The Universe, according to our best understanding, just doesn’t add up. → Read More

Ask Ethan: Will Earth’s Temperature Start Decreasing Over The Next 20,000 Years?

Sure, we're warming now. But will this continue, or will natural factors change things? → Read More

What Would We Experience If Earth Spontaneously Turned Into A Black Hole?

Yes, we'd all die. But for 21 minutes, we'd have the ride of a lifetime. → Read More