Intact Dinosaur Skin Found

Some material that flaked off a fossil in Alberta was not stone; it was dinosaur skin. Discoverers were excited and puzzled: how could it last so long?

Saturn's Rings Impacted by Meteoroids

Cassini has observed clouds of dust from meteoroids hitting the rings. The data will "impact" theories of the rings' origin and age.

Major Cosmic Questions Remain Unanswered

Some basic ideas about physics and astronomy remain so mysterious, and their explanations so flexible, they may lead some to question whether they should be called "hard sciences."

Coelacanth: Making the Most of an Unevolved Fish

The coelacanth genome has been sequenced. Does it show evidence for evolution? Only to those with a good imagination.

Titan's Methane Still Puzzles Scientists

The methane in Titan's atmosphere should be long gone, and may be disappearing soon, planetologists say.

Intact Protein Remnants Found in Dinosaur Eggs

A new record for soft tissue in a dinosaur fossil was reported in Nature: collagen in dinosaur eggs from the early Jurassic.

Using Finagle's Rules in Cosmology

Fudging and finagling often underlie the confident-sounding claims of cosmologists.

Bimbo Eruptions in the Solar System

Planetary origin theories come across as popular and charismatic, till some little moon pops off and says, "Yoo-hoo! Remember me?"

North American Geology All Wrong

Researchers are stating that beliefs about the origin of western mountains in North America are all wrong.

Freckled Trilobites Had Great Eyes

Darlings of the Cambrian Explosion, trilobites had spotted markings and sophisticated eyes. Some have been exceptionally well preserved as fossils, down to the level of individual cells.

Scientific Findings Can Be Counterintuitive

Here are examples of recent claims in science that seem to contradict what some would consider intuitively obvious. They should be kept in mind when evaluating other scientific truisms, like evolution.

The Ediacaran Era May Be a Flawed Concept

Before humans arrived, no strata came with "Ediacaran" stamped on them. Does this human-invented name have any real meaning? Does it tell time?

The Trouble with Zircons

Geologists' favorite tool for dating rocks at millions and billions of years old has revealed problems with interpretation.

Gold, Earthquakes, and Time

How long does it take to form veins of gold in the rock? (a) millions of years; (b) less than a second.

Intact Biomolecules Claimed to Be 350 Million Years Old

The oldest recovered biomolecules have been found in crinoid fossils – but are they really that old?
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