Is Pareidolia a Hypothesis?
January 22, 2015
Some astrobiologists see possible signs of life in Martian soil photographed by a rover. The rover project scientist begs to differ.
Blow to Supernova Nucleogenesis Theory
January 20, 2015
There's 100 times less of a radioactive element on the ocean floor than expected.
Dinosaur Extinction Was Global
January 19, 2015
Whatever killed the dinosaurs took place quickly in both North America and Europe simultaneously.
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.
Comets Are Not Life Givers
December 23, 2014
Astrobiologists dream of comets as bearers of life in spite of—not because of—the data from Rosetta's comet.
Dinosaurs and the Battle of Killers
December 21, 2014
An impact drove the dinosaurs extinct; or was it volcanoes?
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.
Earthbound Martians Go Nuts
December 2, 2014
How 90,000 Earthlings sent greetings to imaginary friends on Mars, and other Martian nuttiness.
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.
Quasar Alignment Is "Spooky"
November 20, 2014
Quasar rotation axes show a peculiar alignment over billions of light-years.