First Rosetta Science Results Are Surprising
January 26, 2015
The first suite of science papers from the Rosetta mission has been published, giving new insights about comets.
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Double Trouble for Cosmology
January 24, 2015
Two developments are converging to threaten the standard big bang model of the universe's origin.
Blow to Supernova Nucleogenesis Theory
January 20, 2015
There's 100 times less of a radioactive element on the ocean floor than expected.
More Cosmic Fine-Tuning Found
January 17, 2015
The Anthropic Principle refuses to go away. The mass of the light quark adds to finely tuned factors that make the universe life-supporting.
What Is the Temperature of the Earth?
January 16, 2015
The news are all reporting 2014 as the hottest year on record, but no one is asking how such a measurement can be made without bias.
Animals Come Pre-Equipped With Machinery
January 14, 2015
Guidance systems, compasses, switchboards, motors, robotic machines: we're talking about systems inside animals—and you.
Dinosaurs and the Battle of Killers
December 21, 2014
An impact drove the dinosaurs extinct; or was it volcanoes?
Storm Surge Carries Huge Boulders
December 20, 2014
A typhoon carried 180-ton rocks 150 feet up a beach—the largest transport recorded in recent times.
Astrobiology Has No Bio
December 17, 2014
When you take the "bio" out of astrobiology, what do you get? Is it still a science?
Mars Methane Is Not Alive
December 16, 2014
Small periodic spikes in methane on Mars are turning the Mars-lifers into spin doctors.
Comet Ocean Theory Debunked
December 11, 2014
Data from the Rosetta mission debunk the notion that comets brought Earth's ocean water. Now they're hoping asteroids could have.
Astrobiology Hopes Diminish
December 6, 2014
Recent findings both near and far create challenges for beliefs that life is common in the universe.
Full Moon Has Magnetic Secret
December 5, 2014
Ponder this under tonight's full moon. Scientists now say the moon once had a magnetic field stronger than Earth's is now.
Star Trek for Real: Impenetrable Force Field Protects Earth
November 29, 2014
Radiation belts discovered at the dawn of the space age have a new trick in their pocket: shielding the Earth.
Saturn Rescues Earth: Outer Planet Wonders
November 22, 2014
How Saturn saved the Earth, and other news from the ringed planet, its family, and other bodies in the outer solar system.