Have Aliens Been Here?
Scientists are highly skeptical, but such “cosmic wanderlust” isn’t a bad thing.
How Cold Is Cold?
The Polar Vortex was brutal, but not compared to the rest of the Universe.
Expecting the Unexpected
Why we must build large particle accelerators.
The Fate of Determinism
Science nails the coffin of determinism shut. Maybe.
Beyond the Goldilocks Zone
The meaning—and range—of “habitable” goes much farther than we once thought.
What’s the Deal with Free Will?
Some experts say there’s no such thing. I choose to believe there likely is.
I Think, Therefore I Am. I Think.
Digging deeper into the mystery of the brain, soul, and consciousness.
What We Can Learn from Ultima Thule
From 4 billion miles away, it says a lot about the meaning of time.
The Future Is Now
Your new year’s resolutions should benefit not just yourself, but the whole planet.
Chasing the Star of Bethlehem
Was it a real thing? And the Wise Men? Or are they just myths?
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